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Best Carbon Monoxide Detectors - Buying Guide

Last Updated: 01/20/2019

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Bestselling Carbon Monoxide Detectors on Amazon

  1. First Alert Carbon Monoxide Detector Alarm | Plug-In with Battery Backup, CO605
  2. First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup and Digital Disp...
  3. Kidde 21008873 Battery Operated Digital Display KN-Copp-B-LPM Carbon Monoxide Alarm
  4. Kidde KN-COB-B-LP2 Carbon Monoxide Alarm
  5. First Alert CO600 Plug-In Carbon Monoxide Detector
  6. Kidde 21008873-2 KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm with Digital Display, 2 Pack
  7. First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Displa...
  8. Kidde Sealed Lithium Battery Power Carbon Monoxide Alarm with Digital Display C3010D
  9. First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack
  10. Kidde KNCOB-DP2 Tamper Resistant Plug-In Carbon Monoxide Alarm with Battery Backup

  #1

First Alert Carbon Monoxide Detector Alarm | Plug-In with Battery Backup, CO605

Model: CO605   |    Mpn: FATCO605   |    Ean: 0029054000729   |    PartNumber: FATCO605   |   Asin: B000ND74XA

The First Alert CO605 Plug-In Carbon Monoxide Detector helps protect your family with an electrochemical sensor and an 85-decibel alarm, and easily plugs into any standard outlet with no additional mounting necessary. It also includes a battery backup, so CO is monitored even if there's a power failure. One button silences any nuisance alarms, and also tests detector functions. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Keep your family safer by installing units on multiple levels and in each bedroom.

Protect yourself and your family from the potentially deadly effects of carbon monoxide with the First Alert CO605 Plug-In Carbon Monoxide Alarm with Battery Backup. This easy-to-install, UL-listed alarm features advanced technology, a user-friendly design, and backup battery power to provide continual monitoring of carbon monoxide levels. It also comes complete with an "Alarm Action" chart that instructs you on what to do if the alarm sounds.
CO605 Carbon Monoxide Plug-In Alarm
At a Glance:
Continuously monitors and detects CO in your home Easy-to-install design; simply plugs into an outlet A/C powered with battery backup Low-battery signal; end-of-life alarm "Test/Silence" button for convenient operation

WHERE TO PLACE SAFETY PRODUCTS:
Smoke Alarms: 1 in every bedroom and at least 1 on every level of the home. Carbon Monoxide Alarms: 1 on every level of the home and 1 in each sleeping area. Fire Extinguishers: 1 on every level of the home and 1 each in the kitchen and garage.

Detects the CO you can't see,
smell, or taste. View larger.


Where does carbon monoxide come from? Carbon Monoxide: The Leading Cause of Accidental Deaths in the U.S.
Carbon monoxide, an invisible, odorless gas, is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until it's too late. Because you can't see, taste, or smell it, CO can kill you before you even know it's there. Likewise, exposure to low levels over time can make you ill. The Consumer Product Safety Commission recommends that every home have at least one carbon monoxide alarm with an audible warning signal--like the CO605--installed near sleeping areas. An alarm like the CO605 can detect the CO you can't see, smell, or taste before it causes any physical harm to you or your family. Electrochemical Technology for Accuracy and Longer Life
The CO605 uses an electrochemical carbon monoxide sensor--the most accurate CO sensor available. In comparison to more commonly available technologies, electrochemical technology is highly accurate, requires a lower amount of power, and boasts a longer life. If the CO605's sensor detects a high concentration of CO, the unit will sound a clear, loud, 85-decibel alarm, giving you a chance to either ventilate the area or safely evacuate. A/C Power with Battery Backup and User-Friendly Design
This unit runs on A/C power, but in case of an electrical outage, it will switch to battery operation. This gives you peace of mind during storms--when you're more likely to use generators that could potentially give off dangerous levels of CO. For added convenience, installation is a snap. Simply plug the CO605 into any wall outlet--with no additional mounting--and it's ready to go. The unit features two 'AA' batteries to provide backup power to the monitor in the case of power disruption or outage. Operation is equally trouble free. One button clearly labeled "Test/Silence" lets you test the unit to see if it's running properly or silence it during a false alarm. Continually Monitors Both CO Levels and Battery Power
To give you real peace of mind, the CO605 continually monitors CO and re-alarms if dangerous levels persist. At the same time, a low-battery signal let's you know when it's time to replace the backup batteries (included); a low-battery mute quiets the signal for up to eight hours. An easy, front-open compartment allows for easy battery changes without dismounting the alarm, and an end-of-life chirp lets you know when it's time to replace the unit. The CO605 comes with two 'AA' batteries and a five-year limited warranty. It also comes complete with an "Alarm Action" chart that instructs you on what to do if the alarm sounds. What's in the Box
Carbon monoxide alarm, two 'AA' batteries, and user's manual complete with "Alarm Action" chart.

Selecting a First Alert
Carbon Monoxide Alarm
Model# CO400 CO410 CO600 CO605 CO615 Details: Battery Operated Carbon Monoxide Alarms Plug-In Carbon Monoxide Alarms Power Supply 2-AA Batteries 2-AA Batteries 120-volt AC Plug-in 120-volt AC Plug-in 120-volt AC Plug-in Battery Backup Digital Display Single-Button Silence/Test EZ-Access Battery Compartment Low-Battery Warning/Silence Loud, 85-dB Alarm End-of-Life Timer 5-Year Limited Warranty

Features

  • Keep your family safe with this easy-to-use plug-in carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • Simple to use, with a single test/silence button; a loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • All First Alert CO alarms are rigorously tested to meet UL standards. Item Length is 3.4 inch , Item Width is 1.38 inch and Item Height is 5 inch
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert

Item Dimensions: 5 x 1.38 x 3.4 inches (12.7 x 3.5 x 8.6 cm)   |   Package Dimensions: 2.5 x 6.7 x 7.5 inches (6.4 x 17.0 x 19.1 cm)

First Available: 2007-05-02

Amazon Price: $22.99 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $41.99 | Used Price: $15.13

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  #2

First Alert Dual-Power Carbon Monoxide Detector Alarm | Plug-In with Battery Backup and Digital Display, CO615

Model: CO615   |    Mpn: FATCO615   |    Ean: 0029054000712   |    PartNumber: FATCO615   |   Asin: B000Q5VMKG

The First Alert CO615 Plug-In Carbon Monoxide Detector helps protect your family with an electrochemical sensor, an 85-decibel alarm, and an easy-read digital display. It plugs into any standard outlet with no additional mounting necessary. It also includes a battery backup, so CO is monitored even if there's a power failure. The Peak Level feature displays the highest concentration of carbon monoxide measured since the unit was last reset. One button silences any nuisance alarms, and also tests detector functions. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Keep your family safer by installing units on multiple levels and in each bedroom.

Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until its too late. Since symptoms of CO poisoning are like the flu, you might not even know you're in danger at first. That's why a carbon monoxide alarm is an excellent way to protect your family. It can detect the CO you can't see, smell or taste in the air. The First Alert CO615 carbon monoxide alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. Installation is as simple as plugging it in to any wall outlet. Its easy-to-read backlit digital LED display gives you a clear read-out of current CO concentrations in parts per million. The alarm includes a battery back-up giving you peace of mind in a power outage. The test/silence button both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality. The unit monitors and re-alarms if carbon monoxide levels persist sounding a loud 85-decibel horn. An audible and visual low battery signal alerts you to replace the battery and an indicator alerts you when a battery has been removed. An end-of-life alarm of three chirps alerts you to replace the unit. Two AA batteries are included. 7-year limited warranty. UL listed. --Bree Norlander What's in the Box
One carbon monoxide alarm, two AA batteries, and user's manual

Features

  • Keep your family safe with this digital-display, plug-in carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
  • Features an advanced electrochemical carbon monoxide sensor; Peak Level feature displays the highest concentration of carbon monoxide measured
  • A loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • All First Alert CO alarms are rigorously tested to meet UL standards
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert

Item Dimensions: 3 x 6.9 x 8.4 inches (7.6 x 17.5 x 21.3 cm)   |   Package Dimensions: 3.4 x 7.1 x 8.1 inches (8.6 x 18.0 x 20.6 cm)

First Available: 2007-05-02

Amazon Price: $26.39 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $32.99 | Used Price: $29.55

Warranty: 7-year Limited Warranty

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  #3

Kidde 21008873 Battery Operated Digital Display KN-Copp-B-LPM Carbon Monoxide Alarm

Model: 21008873   |    Mpn: 21008873   |    Ean: 0716080045267   |    PartNumber: 21008873   |   Asin: B004Y6V5CI

The Kidde KN-COPP-B-LPM battery operated CO alarm provides continuous monitoring of CO levels, even during power outages when many CO incidents occur. The digital display feature allows for easy viewing of carbon monoxide levels from 30-999 PPM (parts per million). The KN-COPP-B-LPM will also detect and store concentration CO levels as low as 11 and up to 999 PPM with its peak level memory display. This alarm includes a slide-out battery door that gives immediate access to the batteries and a safety feature that makes it difficult to close the cover without the batteries being installed. It has a 10-year life and a 10-year limited warranty.

Kidde s KN-COPP-LPM battery-operated carbon monoxide alarm with digital display helps to provide your home with extensive protection against the dangerous threat posed by the odorless and colorless gas. With an increasing number of state and local governments passing legislation requiring CO detectors in homes, it s never been a better time to safeguard your family against carbon monoxide exposure. KN-COPP-LPM Battery-Operated Carbon Monoxide Alarm At a Glance: Digital display allows for easy monitoring of CO levels Battery operation provides best protection during power outages Peak level memory displays the highest CO concentration since last reset Dimensions: 4.5 inches by 2.75 inches by 1.5 inches; weighs .66 pounds with batteries Five-year limited warranty Kidde's KN-COPP-LPM carbon monoxide detector is a free-standing unit, adding flexibility to placement around your home. View larger Features The KN-COPP-LPM is an essential device to help warn you and your family of dangerous carbon monoxide levels in your home. This alarm measures the exposure to carbon monoxide over time; it is designed to sound at 85 decibels at 10 feet when it detects 70 ppm (parts per million) of CO for 60 to 240 minutes, 150 ppm for 10 to 50 minutes, or 400 ppm for 4 to 15 minutes. The easily visible digital display indicates the level of CO that the unit is sensing, and it updates the status every 15 seconds for timely and accurate readings. Its free-standing design allows for attachment to a wall or placement on a counter or nightstand for convenient and comprehensive protection. The KN-COPP-LPM also includes a slide-out battery door that provides immediate access to the power source as well as a battery safeguard that makes it difficult to close the cover without batteries installed. An LED lighting system on the unit signals power levels and sourcing: the green LED will flash once every 30 seconds to indicate the alarm is operating properly when power is present, and the red LED will pulse to indicate carbon monoxide has been detected until the device is reset or the CO threat is eliminated. This device has an expected 7-year lifespan and comes equipped with a five-year manufacturer s limited warranty.

What's in the Box One Kidde KN-COPP-LPM battery-operated carbon monoxide alarm with digital display and three AA batteries.

The KN-COPP-LPM features an easy-to-read digital display in front and an easy-access door to the batteries in back. (Click each to enlarge)

Features

  • Digital Display - Displays the level of carbon monoxide the unit is sensing. Shows CO level in PPM (parts per million). Updates digital reading every 15 seconds allowing you to see if levels change. Peak Level Memory displays the highest CO concentration measured since the last reset
  • Battery Operated - Provides best protection during power outages. Battery Safeguard makes it difficult to close the cover without batteries in the unit. Low Battery Signal alerts user when the batteries need to be replaced. Slide-Out Battery Door Cover gives immediate access to batteries
  • Test/Reset Button - Tests unit's electronic circuitry & horn and resets the unit during alarm. Tests CO alarm circuit operation and allows you to immediately silence the alarm
  • LED's - Green LED for normal operation, Red LED for alarm
  • Provides peace of mind against the silent killer and a digital display
  • See more on Amazon...

Brand: Kidde   |   Manufacturer: Kidde

Item Dimensions: 2.75 x 1.5 x 4.5 inches (7.0 x 3.8 x 11.4 cm)   |   Package Dimensions: 2.6 x 7.4 x 11.02 inches (6.6 x 18.8 x 28.0 cm)

Amazon Price: $21.59 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $54.49

Warranty: 10 Year Limited

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  #4

Kidde KN-COB-B-LP2 Carbon Monoxide Alarm

Model: 9CO5-LP2   |    Mpn: 9CO5-LP2   |    Ean: 5915903622127   |    PartNumber: 9CO5-LP2   |   Asin: B004Y6V6K4

The Kidde 9Co5 Battery-Operated Carbon Monoxide Detector Utilizes Sophisticated Electronic Components To Protect Individuals And Families. Its Snap-On Cover Provides Immediate Battery Access, While Its Safety Feature Makes It Difficult To Close The Cover If The Batteries ArenMade in: United States Dimensions: 11.5 X 11.5 X 7.5Brand: Kidde Item Weight: 0.75includes: Unit Instruction Guide

Kidde 9CO5-LP With the use of sophisticated electronic components, the Kidde 9CO5-LP battery-operated carbon monoxide alarm protects you and your family from the dangers of carbon monoxide. Also included is an intuitive slide-out battery door that gives easy and immediate access to the batteries and a safety feature mechanism that makes the unit difficult to close without the proper installation of the batteries. This easy-to-install alarm is appropriate for all living areas and comes with a 7-year life warranty and 5-year limited warranty.

Consumer Benefits The Kidde 9CO5-LP will alert you and your family with a loud warning signal against the dangers of elevated carbon monoxide levels in your home. This battery-operated carbon monoxide alarm continuously monitors carbon monoxide levels, even during power outages when AC-only units are not providing protection.

Technical Specifications This unit uses an electrochemical sensor, and when it detects carbon monoxide, it will alert the user with a distinct pattern. The alarm pattern is four short beeps, followed by five seconds of silence, then four more short beeps with a corresponding red LED light. This cycle will continue for four minutes and then change to one cycle every minute until the device is reset or the carbon monoxide is eliminated. In addition, the red LED light will pulse to indicate carbon monoxide has been detected until the device is reset or carbon monoxide is removed from the surrounding area. When there is no carbon monoxide present, a green LED light will flash every 30 seconds, indicating a properly operating alarm when power is present.

What's in the Box One Kidde 9CO5-LP unit and three AA batteries.

Features/Specifications Battery operated (3AA batteries included) - Provides protection during power outages Battery lockout system Deters covering battery compartment without installation of batteries Slide-out battery door cover Gives immediate access to batteries Test/reset button Tests the unit for proper operation and can also reset the Carbon Monoxide alarm Low battery signal Alerts user when the battery needs to be replaced Green LED Flashes every 30-seconds to indicate the unit is operating properly Red LED When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound

Features

  • Battery-operated carbon monoxide alarm; no hardwiring required
  • Alarm will sound when dangerous levels of CO are detected
  • Test/Reset -Tests CO alarm circuit operation and allows you to immediately silence the alarm
  • Battery Lockout System deters covering battery compartment without installation of batteries
  • Low Battery Hush silences low battery chirp warning for up to 12 hours in order to maintain protection without having to replace the batteries at an inconvenient time
  • See more on Amazon...

Brand: Kidde   |   Manufacturer: Kidde

Item Dimensions: 11 x 7 x 3 inches (27.9 x 17.8 x 7.6 cm)   |   Package Dimensions: 2 x 7.35 x 11.1 inches (5.1 x 18.7 x 28.2 cm)

First Available: 2014-08-30

Amazon Price: $20.41 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $47.07 | Used Price: $22.95

Warranty: 10-Year warranty: Consult User Guide for more information.

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  #5

First Alert CO600 Plug-In Carbon Monoxide Detector

Model: FATCO600   |    Mpn: CO600   |    Ean: 0029054000705   |    PartNumber: CO600   |   Asin: B000FDLFLK

The First Alert CO600 Plug-In Carbon Monoxide Detector helps protect your family with an electrochemical sensor, and easily plugs into any standard outlet with no additional mounting necessary. It features an 85-decibel alarm that sounds when CO is elevated. One button silences any nuisance alarms, and also tests detector functions. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Keep your family safer by installing units on multiple levels and in each bedroom.

Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until its too late. Since symptoms of CO poisoning are like the flu, you might not even know you're in danger at first. That's why a carbon monoxide alarm is an excellent way to protect your family. It can detect the CO you can't see, smell or taste in the air. The First Alert CO600 carbon monoxide alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. Installation is as simple as plugging it in to any wall outlet. The test/silence button both silences a non-threatening alarm and allows you to test the unit's functionality. The unit monitors and re-alarms if carbon monoxide levels persist sounding a loud 85-decibel horn. UL listed. --Bree Norlander What's in the Box
One carbon monoxide alarm and user's manual

Features

  • Keep your family safe with this easy-to-use plug-in carbon monoxide alarm; it works with any standard outlet
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • A loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • All First Alert CO alarms are rigorously tested to meet UL standards
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert

Item Dimensions: 2.8 x 6.75 x 8.5 inches (7.1 x 17.1 x 21.6 cm)   |   Package Dimensions: 2.6 x 6.6 x 7.5 inches (6.6 x 16.8 x 19.1 cm)

Amazon Price: $17.99 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $34.99 | Used Price: $17.00

Warranty: FIVE YEAR LIMITED

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  #6

Kidde 21008873-2 KN-COPP-B-LPM Battery-Operated Carbon Monoxide Alarm with Digital Display, 2 Pack

Model: KN - COPP - B - LPM   |    Mpn: 21008873-2   |    Ean: 0799456960142   |    PartNumber: 21008873-2   |   Asin: B00I0BSHB0

Kidde KN-COPP-B-LPM battery-operated carbon monoxide alarm with digital display. Large digital backlit display is easy to read, even in low-light conditions.

Features

  • Large digital backlit display is easy to read, even in low-light conditions
  • Peak-level memory displays the highest co concentration measured since the last reset
  • Meets the requirements of underwriters laboratories (UL)
  • Battery operated with two aa batteries included
  • See more on Amazon...

Brand: Kidde   |   Manufacturer: Kidde

Item Dimensions: 4.5 x 1.5 x 2.75 inches (11.4 x 3.8 x 7.0 cm)   |   Package Dimensions: 2.3 x 7.5 x 11.3 inches (5.8 x 19.1 x 28.7 cm)

Amazon Price: $43.69 | as of 01/20/2019(6:00pm pst)
Availibility:
List Price: $45.99

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  #7

First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display, 3-Pack

Model: CO615   |    Mpn: CO615   |    Ean: 7241870618480   |    PartNumber: CO615   |   Asin: B014KEPWS6

This 3-pack of First Alert CO615 Plug-In Carbon Monoxide Detectors helps protect your family with an easy-read digital display and an electrochemical sensor, they easily plug into any standard outlet with no additional mounting necessary. Battery backups means monitoring continues even in the event of a power failure. The Peak Level feature displays the highest concentration of carbon monoxide measured since the unit was last reset. One button silences any nuisance alarms, and also tests detector functions. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Keep your family safer by installing units on multiple levels and in each bedroom.

Features

  • Keep your family safe from carbon monoxide in multiple rooms with this convenient plug-in carbon monoxide alarm 3-pack; the backlit digital-display alarms work with any standard outlet and also have a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
  • Features an advanced electrochemical carbon monoxide sensor; Peak Level feature displays the highest concentration of carbon monoxide measured
  • A loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • All First Alert CO alarms are rigorously tested to meet UL standards
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert / BRK Brands, Inc.

Item Dimensions: 9 x 8.9 x 6.75 inches (22.9 x 22.6 x 17.1 cm)   |   Package Dimensions: 7.17 x 9.06 x 9.29 inches (18.2 x 23.0 x 23.6 cm)

Amazon Price: $75.16 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $128.97 | Used Price: $56.37

Warranty: 7 Year Limited

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  #8

Kidde Sealed Lithium Battery Power Carbon Monoxide Alarm with Digital Display C3010D

Model: 21010047   |    Mpn: 21010047   |    Ean: 0047871100477   |    PartNumber: 21010047   |   Asin: B00FHW7P40

Provides 10-year sealed lithium battery and digital display. Never Change a Battery. CO Alarm Lasts 10 Years.

Kidde infographic view larger Carbon monoxide alarm in the living room view larger Kidde Worry-Free Digital Carbon Monoxide Alarm Kidde Worry-Free carbon monoxide (CO) alarms offer 10 years of continuous detection from the leading cause of accidental poisoning deaths in America carbon monoxide. The UL-listed alarms are the first and only models to contain a 10-year sensor as well as a sealed-in lithium battery proven to power the alarm for a decade. These two state-of-the-art technologies combine to create a premier level of protection. Digital Display Screen clearly shows the level of CO in that room and updates the reading every 15 seconds. Homeowners have peace of mind knowing their CO alarm is always on, and they never have to be hassled by low-battery chirps or battery replacement. Until now, a CO sensor operated for five to seven years, based on the manufacturer. The Worry-Free alarms last nearly twice as long as the average model.

Long-Life Sealed Lithium Battery: Why It s Needed Each year, fire departments respond to an average of 72,000 CO poisoning incidents, according to the National Fire Protection Association. Known as the silent killer, carbon monoxide is odorless, tasteless and invisible. The only safe way to detect it is with a working CO alarm. Industry surveys find approximately half of U.S. homes have a carbon monoxide alarm installed, most of those are battery-operated. A recent survey conducted on behalf of Kidde found homeowners number one fire safety complaint is a low battery chirp.

Worry Free Benefits The C3010D carbon monoxide detection unit provides one decade of protection; the sealed lithium batter provides 10 years of continuous power. It is also both maintenance-free and hassle-free; never replace a battery during the alarm s operating life and no need to worry about the batteries being removed. Additionally, this Worry Free unit is the longest sensor life available and is proven effective for ten years with quick and easy installation by simply sliding the alarm onto the mounted bracket which activates it automatically. Money savings: no batteries to buy and replace every six months, save up to $40 over the life of the alarm.

What's in the box One single Kidde Worry-Free Digital Carbon Monoxide Alarm. A ten-year limited warranty.

Specifications Digital Display Screen clearly shows the level of CO in that room and updates the reading every 15 seconds UL Listed tested by an independent nonprofit testing agency to ensure it meets the US standard 85 decibel alarm loud enough to wake the average sleeping adult Nighthawk electro-chemical sensor, which is proven to be the world s most accurate based on claims by major manufacturers Test-Reset Button tests the alarm circuitry and horn, resets memory after alarm has sounded End-of-life signal chirps every 30-45 seconds when alarm needs to be replaced approximately 10 years after power Deactivation switch disables the alarm and makes the batteries safe for disposal once the unit has reached the end of its 10-year life Tamper resistant feature prohibits a disabled alarm from being placed back onto the mounting bracket 10-Year Limited Warranty lasts the life of the alarm

Features

  • LED Lights - Green for normal operation, Red for alarm, Amber for Error.
  • Digital Display - Displays the level of carbon monoxide the unit is sensing. The unit updates this reading every 15 seconds.
  • 10-Year Sealed-in Lithium Batteries -Unit will continue to operate for 10 years. Alerts user to replace unit after 10 years of operation.
  • Peak Level Memory - Displays the highest CO concentration measured since the last reset.
  • Test/Reset -Tests CO alarm circuit operation and allows you to immediately silence the alarm.
  • See more on Amazon...

Brand: Kidde   |   Manufacturer: Kidde

Item Dimensions: 2.75 x 1.5 x 4.5 inches (7.0 x 3.8 x 11.4 cm)   |   Package Dimensions: 2.5 x 7 x 10.7 inches (6.4 x 17.8 x 27.2 cm)

Amazon Price: $34.91 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $52.97

Warranty: 10 year limited warranty

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  #9

First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup, 3-Pack

Model: CO605   |    Mpn: CO605   |    Ean: 0029054015778   |    PartNumber: CO605   |   Asin: B014KEPQLE

The 3-pack of First Alert CO605 Plug-In Carbon Monoxide Detector helps protect your family in multiple rooms. The alarms feature an 85-decibel alarm and an electrochemical sensor, and easily plug into any standard outlet with no additional mounting necessary. Battery backups mean monitoring continues even in the event of a power failure. One button silences any nuisance alarms, and also tests detector functions. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Keep your family safer by installing units on multiple levels and in each bedroom.

Features

  • Keep your family safe from carbon monoxide in multiple rooms with this convenient plug-in carbon monoxide alarm 3-pack; the alarms work with any standard outlet and also have a battery backup for continuous monitoring of CO levels, even if there's a power failure
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • Simple to use, with a single test/silence button; a loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • All First Alert CO alarms are rigorously tested to meet UL standards
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert / BRK Brands, Inc.

Item Dimensions: 9 x 6.9 x 6.75 inches (22.9 x 17.5 x 17.1 cm)   |   Package Dimensions: 7.2 x 7.9 x 9.2 inches (18.3 x 20.1 x 23.4 cm)

Amazon Price: $69.00 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $77.92 | Used Price: $57.20

Warranty: 7 Year Limited

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  #10

Kidde KNCOB-DP2 Tamper Resistant Plug-In Carbon Monoxide Alarm with Battery Backup

Model: 3153   |    Mpn: 21025759   |    Ean: 0047871257591   |    PartNumber: 21025759   |   Asin: B00M48BH30

The Kidde KN-COB-DP2 AC/DC carbon monoxide alarm plugs directly into your home's standard wall outlet making installation quick and easy. The 2-AA battery backup provides protection even during power outages when many CO incidences occur. The Kidde AC/DC carbon monoxide alarm has a 10-year limited warranty. The Kidde KN-COB-DP2 plug-in carbon monoxide alarm with battery backup provides you and your family with a warning signal to protect against dangerous levels of carbon monoxide in your home. The battery backup feature provides continuous monitoring of CO levels, even during power outages when AC-only units are not providing protection. The KN-COB-DP2 alarm has a 10-year product life, providing 40% longer protection than other CO alarms. Part Number (Ordering Number): 900-0263

Features

  • Tamper Resist Feature : Unit alerts you if it has been unplugged or has come loose from the outlet
  • Two LED's : Red - Illuminates when in alarm mode. Green - AC power is present, normal operation
  • Test/Reset Button : Tests CO alarm circuit operation and allows you to immediately silence the alarm
  • End of Life Alarm : Alerts user to replace CO alarm after 10-years of operation
  • Provides peace of mind against the silent killer
  • See more on Amazon...

Brand: Kidde   |   Manufacturer: Kidde

Item Dimensions: 4.5 x 1.5 x 2.75 inches (11.4 x 3.8 x 7.0 cm)   |   Package Dimensions: 2 x 7 x 10.7 inches (5.1 x 17.8 x 27.2 cm)

Amazon Price: $18.49 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $29.99

Warranty: Manufacturer's Warranty

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  #11

Nest Protect Smoke & Carbon Monoxide Alarm, Battery (2nd gen)

Model: S3004PWBUS   |    Mpn: S3000BWES   |    Ean: 0813917020098   |    PartNumber: S3000BWES   |   Asin: B06XHQ1CDG

Sleep tight at night knowing that your home is being watched over by the Nest Protect Smoke and Carbon Monoxide Alarm. This handy machine doubles as a smoke alarm and carbon monoxide monitor. When it needs to notify you of any concerns, it warns you in a friendly human voice while also sending messages to your phone app. That way, you'll know exactly where the trouble is when it's happening. Plus if it makes any errors, you can just silence it with a tap to your screen. Your family and your home are what's important to you, so keep them protected at all times with a Nest alarm.

Features

  • - Phone alerts include:- Low-battery- Smoke & Carbon monoxide- Sensor failure- Split-Spectrum Sensor- Voice alarms with custom location- Nest App- App Silence- Detects carbon monoxide- 10-year product lifetime
  • - Safety Checkup- Heads-Up alerts- Sound Check- Self Test- Nightly Promise- Pathlight- Steam Check- Wireless Interconnect- Safety History- What To Do- Home Report- Emergency clip record with Nest Cam
  • - Nest Protect Battery: Six long-life batteries (Energizer? Ultimate Lithium ?L91? AA)
  • See more on Amazon...

Brand: Nest Labs   |   Manufacturer: NEST LABS

Item Dimensions: 5.3 x 5.3 x 1.5 inches (13.5 x 13.5 x 3.8 cm)   |   Package Dimensions: 2.83 x 6.3 x 6.34 inches (7.2 x 16.0 x 16.1 cm)

Amazon Price: $124.88 | as of 01/20/2019(6:00pm pst)
Availibility:
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  #12

First Alert CO400 Carbon Monoxide Detector, Battery Operated

Model: CO400FF   |    Mpn: CO400   |    Ean: 0736569087649   |    PartNumber: CO400   |   Asin: B000N8OYXI

The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to monitor your space for a carbon monoxide threat. The battery-powered design doesn't require an electrician; simply insert the included 9-volt battery, and the carbon monoxide detector is ready to go. The advanced electrochemical CO sensor detects carbon monoxide leaks from multiple sources, such as faulty fuel-burning appliances, blocked chimneys, and generators running inside or too close to homes. When CO levels become elevated, a loud 85-decibel alarm alerts you to the threat. Because CO evenly distributes itself, it's important to have a CO detector on every level and in every bedroom of your home. Designed to be simple to use, the CO detector has just one button that silences or tests the unit, as well as an end-of-life timer that lets you know when it's time to replace the device.

Carbon monoxide (CO) is the leading cause of accidental poisoning deaths in America, yet many people don't know they are suffering from CO poisoning until its too late. Since symptoms of CO poisoning are like the flu, you might not even know you're in danger at first. That's why a carbon monoxide alarm is an excellent way to protect your family. It can detect the CO you can't see, smell or taste in the air. The First Alert CO400 carbon monoxide alarm uses an electrochemical carbon monoxide sensor-the most accurate technology available. The permanent sensor lasts up to five years. It is powered by on 9V replaceable battery giving you peace of mind even during power outages. The test/silence button both silences the alarm and allows you to test its functionality. The unit monitors and re-alarms if carbon monoxide levels persist sounding a loud 85-decibel horn. No installation is required and the attractive design allows the unit to be placed anywhere you need it. It includes an optional wall mount with no outlet required. An audible and visual low battery signal alerts you to replace the battery. Pull down action chart has convenient guide on what to do if an alarm sounds. 5 year limited warranty. UL listed. --Bree Norlander

Features

  • Keep your family safe with this easy to use, battery operated carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • A loud 85-decibel alarm sounds when CO levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 5-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • All First Alert CO alarms are rigorously tested to meet UL standards
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert

Item Dimensions: 3 x 1 x 5 inches (7.6 x 2.5 x 12.7 cm)   |   Package Dimensions: 1.7 x 6.3 x 8.3 inches (4.3 x 16.0 x 21.1 cm)

First Available: 2007-05-02

Amazon Price: $15.61 | as of 01/20/2019(6:00pm pst)
Availibility:
List Price: $34.99

Warranty: 5 Year Warranty

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  #13

Sunnec Carbon Monoxide Alarm w/ Voice Warning ,CO Alarm Detector w/Digital Displ

 Ean: 0614024729498   |    PartNumber: SUN2006   |   Asin: B0742FPGCN

Why should we use a carbon monoxide monitor
What are the risks of carbon monoxide?

Carbon Monoxide (CO) is the leading cause of accidental poisoning deaths in America. However, there are still many people unaware that they are suffering from CO poisoning.
Symptoms of CO poisoning are not noticeable, you might not even know you're in danger until it's too late.
That's why a carbon monoxide alarm is a good choice for you to protect your family.
It can detect the CO you can't see, smell or taste in the air.

The Sunnec carbon monoxide detector can be placed anywhere, and it can continue monitoring for dangerous levels of carbon monoxide in your space.

Features:
Power : 3 * 1.5AAA
Sensors : Electrochemical Carbon Monoxide Detector
Operating temperature : 0-50
Operating Humidity : Relative Humidity 20-95% R.H.
Detection concentration : 000-999PPM
Sensitive level : 5PPM
Error : +/- 10%
Normal working concentration reading : 000PPM
Alarm concentration reading : 030-999PPM
Size : 4.9*2.8*1.3in 125MM * 72MM * 35MM
Power display : low battery alarm

Note
The product has been completed in the factory under strict and professional tests.
If the product runs the self-test program successfully upon receiving, then you can use it!
If it fails this procedure, the product may be damaged during transportation; please contact us for a replacement or a refund.

Features

  • SOUND AND LIGHT ALARM --- The Carbon Monoxide Alarm features an electrochemical CO sensor to alert you to dangerous carbon monoxide. This personal carbon monoxide detector monitor CO levels in your home, office, or other space continuously. The loud 85-decibel alarm is designed to wake up even the sleepers.
  • CO CONCENTRATION DISPLAY --- The Digital display shows the level of carbon monoxide sensed, you can monitor the concentration of CO by Sunnec carbon monoxide alarm at any time. It will offer you and your family a sense of security and a peace of mind.
  • ENERGY SAVING --- Operated by 3 x 1.5V AAA batteries without extra chargers, and you will receive a hint when the power is not sufficient
  • APPLICATION --- Sunnec carbon monoxide detector is suitable for any place where is possible to produce carbon monoxides, such as kitchen, bedroom, bathroom, hotel, or garage
  • WHAT YOU GET --- 1 Carbon Monoxide Detector, 24-Month Warranty. We will be glad t help you if you have any question. Instead of repairing, we offer a refund or a replacement
  • See more on Amazon...

Brand: Sunnec   |   Manufacturer: Sunnec

Package Dimensions: 1.5 x 4.49 x 4.69 inches (3.8 x 11.4 x 11.9 cm)

Amazon Price: $19.99 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #14

Car, Vehicle, Aircraft Carbon Monoxide CO Detector by FORENSICS | FAST low-level 9ppm Alarm | Vehicles, Police, Pilots, Travel, Bus, Trucks | Metal Body, Small 2oz |

 Ean: 7426843520476   |    PartNumber: DT-46042   |   Asin: B076S6KBP2

The original "FORENSICS" vehicle & aircraft CO gas detector made with the BEST high quality Japanese sensor technology for MAX protection at low-level 9ppm alarming. 2018 stylish design, strong aluminum with stylish metal finish. Early alarming to prevent CO exposure from exhaust leaks and/or outdoor polluted air entering the vehicle/cabin that commonly triggers headaches, nausea and fatigue. Have peace of mind and take preventative care. The FORENSICS CO detector was specifically designed with "reliability and ease of use" for POLICE, Ford Explorer Owners (NHTSA Investigation "Ford Explorer Exhaust Odor"), emergency vehicles, aircraft pilots, truck drivers, UBER, fleet vehicles, personal vehicle operation and personal protection for travel. CO alarms are set at 9ppm with RED LED & 25ppm with audible buzzer sound (70dB). To ensure max protection, 9ppm alarm level were chosen as recommended by the World Health Organization (WHO), Environmental Protection Agency (EPA), American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and American Conference of Governmental Industrial Hygienists (ACGIH). The CO vehicle, aircraft travel alarm includes smart detection algorithms designed in California USA, a high quality sensor Made in Japan and Product Manufactured in China. Small, modern aluminum alloy body give a real "metal finish" high quality touch, lightweight (2oz) and comes with a robust case and a 3M stick-on mount option. Regular home CO alarms are too slow, alarming in 60 to 240 minutes only when over 70ppm - way too high as fatigue and drowsiness will be incurred leading to accidents. The FORENSICS CO detector has been tested and confirmed at altitude for aircraft reliability. One-button operation making it easy for anybody to operate. Box includes CO detector with 2xCR2032 batteries installed, plastic sleeve mount and clear instructions in English. 100% customer satisfaction guaranteed. Test and verified in California, USA.

Features

  • 🚗 USES: Exhaust leaks in vehicles (i.e. Ford Explorer ), aircraft, school buses, trucks & fleet vehicles that triggers headaches, nausea & driver fatigue.
  • 🔬ACCURATE: CO low-level alarm at 9ppm & 25ppm alarms WHO, EPA, ASHRAE, OSHA, NIOSH CO recommended exposure levels.
  • 🔔 FAST ALARMS: Alarms at >9ppm @ 60 secs, compared to home CO detectors that only alarm >70ppm @ 60-240 minutes. Bright RED LED and buzzer alarms.
  • 👫 EASY USE: Continuous 12 month operation with same batteries. Easy one button operation. Small form factor (2oz), 3M stick-on mount.
  • 🕵 TRUST: ** 1 year limited warranty ** Arrives factory calibrated ** 100% product test and verification in the USA * Best Japanese CO sensor ** 100% quality guaranteed **
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Brand: FORENSICS DETECTORS   |   Manufacturer: FORENSICS

Item Dimensions: 0.8 x 1.9 x 2.7 inches (2.0 x 4.8 x 6.9 cm)   |   Package Dimensions: 1.1 x 2.28 x 3.27 inches (2.8 x 5.8 x 8.3 cm)

Amazon Price: $99.90 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $99.90

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  #15

Combination Smoke and Carbon Monoxide Detector Battery Operated with Digital Display,Smoke Co alarm for Home Bedroom Travel Portable

 Ean: 0670924000341   |   Asin: B07M5QCD8D

Why choose BQQZHZ carbon monoxide alarms ?
BQQZHZhas been a leading innovator in the home safety industry, helping its customers protect what matters most. From smoke detectors and carbon monoxide alarms to smart home, BQQZHZ company manufactures reliable, technologically advanced products.

Features

  • Photoelectric Sensor Detects Smoke While Minimizing false alarms, Electrochemical CO sensor alerts you to Carbon Monoxide Danger
  • Carbon Monoxide and Smoke Detector Battery-operated Unit installs quickly and Easily Without an Electrician, loud 85dB Decibel alarm
  • Smoke Co Detector You Can Hear the low Power alarm When the Power is Close to Run out, and Won't Miss the Chance to Change the New Battery.
  • Mini Combination Carbon Monoxide Detector and Smoke alarm Simple style design for kitchen and travel
  • We also donated an e-book about helping prevent carbon monoxide poisoning, which is delivered by mail at the time of delivery.
  • See more on Amazon...

Brand: BQQZHZ   |   Manufacturer: BQQZHZ

Package Dimensions: 1.77 x 4.8 x 4.84 inches (4.5 x 12.2 x 12.3 cm)

Amazon Price: $19.99 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #16

X-Sense Carbon Monoxide Alarm CM01, Battery Powered CO Detector with Test/Reset Button, Precise Electrochemical Sensor, UL Listed & Batteries Included

 Ean: 0614993136181   |    PartNumber: LD-CM01   |   Asin: B07BMY3GBF

CO, called a silent killer, is odorless, tasteless and invisible but can be a serious health threat once inhaled. Indications of carbon monoxide poisoning include symptoms similar to the flu, so it is often mistreated and neglected. The X-Sense Carbon Monoxide Alarm CM01 detects and responds to CO quickly and accurately thanks to its electrochemical sensor, warning you of this serious health hazard in a timely manner.

High Sensitivity & Quick Response

The alarm uses the highly accurate Figaro sensor to detect CO. Once a dangerous level of CO is detected, the alarm will loudly sound with the red LED indicator flashing. The alarm sound of over 85 dB is loud enough to alert people in every corner of your house and even wake those fast asleep. When the alarm is malfunctioning or has low battery life remaining, it also sends out different alerts to inform you of its status.

Easy Installation

A mounting bracket, two screws and anchor plugs are included for hassle-free installation. The CO alarm can easily be installed in various places such as bedrooms, living rooms and corridors in your home, or in a dormitory, office, motor home and more, to monitor nearby CO levels and alert you accordingly over the years.

Warranty

This unit is UL-certified and conforms to the UL2034 standard to ensure quality and safety. Moreover, we provide a 30-day return and 10-year quality warranty from the date of your purchase.

Features

  • RELIABLE PROTECTION: Utilizes the highly accurate Figaro sensor to give fast response to CO in the surrounding air and issue an audible and visual alarm, protecting you and your family from dangerous CO hazards
  • LONG BATTERY LIFE: Battery operated, no need for connecting it to your home's electrical supply; consumes less power, allowing the provided 3 AA batteries to last as long as 5 years, saving you the hassle of frequently replacing batteries
  • CLEAR ALERTS: Alarm sound of over 85 dB, ensuring all members in the household will be alerted, even for those fast asleep or hard of hearing; the LED indicators of the alarm flash accordingly in different conditions, so you can judge the alarm's status merely by observing the indicators when you are in a noisy environment
  • EASY INSTALLATION: No need for any wiring, simply install the alarm on the wall using the provided screws, anchor plugs and mounting bracket
  • GUARANTEED QUALITY: UL-certified and conforms to the UL2034 standard for your added peace of mind; comes with a 10-year warranty
  • See more on Amazon...

Brand: X-Sense   |   Manufacturer: X-Sense

Item Dimensions: 2.28 x 4.72 x 4.61 inches (5.8 x 12.0 x 11.7 cm)   |   Package Dimensions: 2.24 x 4.65 x 4.72 inches (5.7 x 11.8 x 12.0 cm)

Amazon Price: $26.99 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $26.99

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  #17

CUZMAK Carbon Detector, LCD Digital Display Carbon Monoxide Alarm, Portable Security Gas CO Monitor, Battery Powered Co Detector Alarm Clock Warning for Home Room Kitchen car

 Ean: 0743811705527   |   Asin: B07K44HLCV

CO detector meets all the requirements. Therefore, you can put your trust in it. It makes a loyal and reliable safeguard for your family.
Test the alarm First:
Step 1: press the test button for 5s (A single silence and test button eliminates confusion and allows you to silence and test the alarm easily)
Step 2: the unit will sound 4 beeps every 5s twice & Red LED flashes & LCD display "000" (3 min), that shows the unit in a normal situation.

Low Power warning:
Carbon Monoxide Alarm alerts you to dangerous carbon monoxide, even in the event of a power outage.
IF the alarm is low power, you can find the situation
Sound:"Chirp" every 30s
LED: Green LED flashes once every 30s & Red LED is flashes
LCD Display: "LB"

Malfunctioning warning:
IF the Carbon Monoxide Alarm does not work well, you can find the situation
Sound: "Chirp" every 30s
LED: Green LED is not flashes and Red LED is flashes
LCD Display: "Err"

Leaked:
This carbon monoxide detector features a digital display that shows the carbon monoxide level in the room, as well as the unit's power level.
A:level over 999ppm:
Sound: 4 short alarm beeps
LED: Red LED is flashes
LCD Display: "999ppm"

B:30ppm level 999ppm
Sound: 4 short alarm beeps
LED: Red LED is flashes
LCD Display: "actual concentration"

Memory Mode:
If you leave home for long time, if the unit was alarm in this period, you just press the button for several seconds, the green light will flashes once every seconds ans the LCD will display the actual concentration.

Note:
1.Don't press test/reset button while installing batteries. Otherwise, the unit will not work.
2. The unit needs to be tested weekly. Verify the alarm and LED light operation by test the unit once a week.

What's in the Box

1 x Alarm
2 x Screws
1 x User Manual

Features

  • AUDIABLE 85 dB ALARM WARNING - When a Dangerous level of Carbon Monoxide is detected, the Red LED will flash and a loud alarm pattern will sound, Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the Life-Saving Safety.
  • UNIQUE DESIGN - Portable and easy installation. Precise Electrochemical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • SAFETY AND VISIBLE- Protect the Family from Carbon Monoxide, With 3 digits LCD Displayer is Optional, 'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm.
  • ENERGY-SAVING - Operated by 3 x 1.5V AA Batteries (not included), The alarm sound pattern is 4 beeps every 5seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps ever minute to save the battery.
  • ALARM STANDARD - 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly.
  • See more on Amazon...

Brand: CUZMAK   |   Manufacturer: CUZMAK

Item Dimensions: 1.6 x 4.2 x 4.2 inches (4.1 x 10.7 x 10.7 cm)   |   Package Dimensions: 3.78 x 4.17 x 4.17 inches (9.6 x 10.6 x 10.6 cm)

Amazon Price: $19.99 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $49.99

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  #18

First Alert CO605 Plug-in Carbon Monoxide Detector with Battery Backup - 6 Pack

Asin: B07LFPBGX1

All First Alert CO alarms are rigorously tested to meet UL standards. Item Length is 3.4 inch, Item Width is 1.38 inch and Item Height is 5 inch All First Alert CO alarms are rigorously tested to meet UL standards. Item Length is 3.4 inch, Item Width is 1.38 inch and Item Height is 5 inch

Features

  • Keep your family safe with this easy-to-use plug-in carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room
  • 7-year limited warranty; equipped with end-of-life signal chirp, so you know when it's time to replace the unit for safety
  • Simple to use, with a single test/silence button; a loud 85-decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • See more on Amazon...

Brand: First Alert   |   Manufacturer: First Alert

Amazon Price: $179.79 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $184.48

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  #19

Digital 10yr Co Alarm

Model: 1039753   |    Mpn: 1039753   |    Ean: 0029054018496   |    PartNumber: 1039753   |   Asin: B07JQSFHNM

Carbon monoxide alarm with 10-year battery and digital temperature display detects dangerous carbon monoxide for up to 10 years. Uses an electrochemical carbon monoxide sensor, The most accurate Co detection technology Available, to detect the Co you can't see, smell, or taste in the air. A built-in 10-year lithium battery means you never need to worry about changing batteries during the lifetime of the alarm. This stylish Co monitor is designed to sit on top of a dresser or tabletop, and features a backlit digital display that clearly shows the ambient temperature, as well as current and peak Co concentrations. An 85-decibel horn sounds if carbon monoxide levels are too high, and a test/silence button silences the alarm and allows you to test its functionality. 10-Year limited warranty.

Features

  • Carbon monoxide alarm with 10-year battery and digital temperature display detects dangerous carbon monoxide for up to 10 years
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Brand: FIRST ALERT JARDEN   |   Manufacturer: FIRST ALERT JARDEN

Item Dimensions: 1.25 x 8.5 x 6.88 inches (3.2 x 21.6 x 17.5 cm)   |   Package Dimensions: 1.14 x 6.69 x 8.35 inches (2.9 x 17.0 x 21.2 cm)

Amazon Price: $16.00 | as of 01/20/2019(6:00pm pst)
Availibility: Usually ships in 24 hours
List Price: $27.99

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  #20

Nest S3003LWES Protect Wired Smoke and Carbon Monoxide Alarm White, 2nd Gen (4-Pack) + 2 Pack WiFi Smart Plug + 1 Year Extended Warranty

Model: E3NESPROTECTWIRE   |    Mpn: E3NESPROTECTWIRE   |    Ean: 0843342139355   |    PartNumber: E3NESPROTECTWIRE   |   Asin: B07FZ2HDR3

It's time to expect more from your smoke alarm.Nest Protect has been redesigned from the inside out. It has a Split-Spectrum Sensor, tests itself automatically and lasts up to a decade. It's also the first home alarm you can hush from your phone without any extra hardware required. And it tells you what's wrong and can even alert your phone.Thinks, before it speaks.Nest Protect has a friendly human voice that gives you an early warning. That way you can handle burning toast before it becomes a burning toaster.Tells you where the danger is.And when one speaks, they all speak. So the alarm in your bedroom can tell you there's smoke downstairs.Sees both fast and slow burning fires.The foam and particle board in much of today's furniture make fires burn faster. Technology should keep up. The Split-Spectrum Sensor uses two wavelengths of light to detect smoke from both fast-burning and smoldering fires.10-year CO sensor.Carbon monoxide is poisonous but you can't see it or smell it. That's why Nest Protect has the most accurate type of carbon monoxide sensor available. We also improved our carbon monoxide sensing algorithm. And we'll keep working to make it better and better because people depend on it.Thoughtful, not annoying.Tests itself: You're supposed to test smoke alarms monthly. But 9 out of 10 people don't. So Nest Protect checks its batteries and sensors over 400 times a day. And it's the first alarm that uses Sound Check to quietly test its speaker and horn once a month.C...

Features

  • Nest AUTHORIZED DEALER - Includes Full Nest USA WARRANTY
  • Nest Protect Wired Smoke and Carbon Monoxide Alarm White, 2nd Gen (Quantity x4)
  • BUNDLE INCLUDES: Nest Protect Wired Smoke and Carbon Monoxide Alarm White, 2nd Gen (Quantity x4) - Deco Gear 2 Pack Wifi Smart Plug - 1 Year Extended Warranty
  • Instant Saving Of $40 If Each Detector Was Purchased Individually.
  • 1 Year Extended Warranty in Addition to the Included Full Manufacturer Warranty
  • See more on Amazon...

Brand: Nest   |   Manufacturer: Nest

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  #21

CO Experts"Ultra" Low Level Carbon Monoxide Health Monitor

Model: PG-2017-5   |    Mpn: PG-2017-5   |    PartNumber: PG-2017-5   |   Asin: B07KPLLWHK

CO Experts "Ultra" Low Level Carbon Monoxide Health Monitor

Features

  • Continuous "real time" display of Carbon Monoxide levels from 5-50PPM
  • Focused calibrated accuracy at multiple alarm points - 5, 25, and 50PPM
  • Scroll Through display options for real time levels, Peak levels, and possible COhb exposure
  • 2 AAA Alkaline battery powered (included)
  • 2 Wall Mount options - Secure fasteners or durable Velcro mount for easy portability
  • See more on Amazon...

Brand: CO Experts   |   Manufacturer: CO Experts

Item Dimensions: 3 x 1.75 x 3 inches (7.6 x 4.4 x 7.6 cm)   |   Package Dimensions: 1.75 x 3 x 3 inches (4.4 x 7.6 x 7.6 cm)

Amazon Price: $209.00 | as of 01/20/2019(6:00pm pst)
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  #22

Carbon Monoxide Gas Detection, CUZMAK Digital Display Carbon Monoxide Alarm, Electronic Equipment, Power Detection Equipment, Alarm Clock Warning, White

 Ean: 0743811705640   |   Asin: B07MPVK6HG

Test the alarm First:
Step 1: press the test button for 5s (A single silence and test button eliminates confusion and allows you to silence and test the alarm easily)
Step 2: the unit will sound 4 beeps every 5s twice & Red LED flashes & LCD display "000" (3 min), that shows the unit in a normal situation.

Low Power warning:
Carbon Monoxide Alarm alerts you to dangerous carbon monoxide,even in the event of a power outage.
IF the alarm is low power,you can find the situation
Sound:"Chirp" every 30s
LED: Green LED flashes once every 30s & Red LED is flashes
LCD Display: "Ld"

Malfunctioning warning:
IF the Carbon Monoxide Alarm does not work well,you can find the situation
Sound: "Chirp" every 30s
LED: Green LED is not flashes and Red LED is flashes
LCD Display: "Err"

Leaked:
This carbon monoxide detector features a digital display that shows the carbon monoxide level in the room, as well as the unit's power level.
A:level over 999ppm:
Sound: 4 short alarm beeps
LED: Red LED is flashes
LCD Display: "999ppm"

B:30ppm level 999ppm
Sound: 4 short alarm beeps
LED: Red LED is flashes
LCD Display: "actual concentration"

Memory Mode:
If you leave home for long time, if the unit was alarm in this period, you just press the button for several seconds, the green light will flashes once every seconds ans the LCD will display the actual concentration.

Note:
1.Don't press test/reset button while installing batteries. Otherwise, the unit will not work.
2. The unit needs to be tested weekly. Verify the alarm and LED light operation by test the unit once a week.

What's in the Box
1 x Alarm
2 x Screws
1 x User Manual

Features

  • UNIQUE DESIGN - Portable and easy installation. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good
  • ALARM WARNING - When a Dangerous level of Carbon Monoxide is detected, the Red LED will flashes and a loud alarm pattern will sound, Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the Life-Saving Safety
  • SAFETY AND VISIBLE- Protect the Family from Carbon Monoxide, With 3 digits LCD Displayer is Optional, 'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm. If the Co leakage is less than 999p
  • ENERGY-SAVING - Operated by 3 x 1.5V AA Batteries (not included), The alarm sound pattern is 4 beeps every 5seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps ever minute to save the battery
  • ALARM STANDARD - 50ppm, alert within 60 to 90 minutes; 100ppm, alert within 10 to 40 minutes; 300ppm, alert within 3 minutes. Note: When you test the detector, please do not use gas blow the hole directly
  • See more on Amazon...

Brand: CUZMAK   |   Manufacturer: CUZMAK

Item Dimensions: 1.6 x 4.2 x 4.2 inches (4.1 x 10.7 x 10.7 cm)   |   Package Dimensions: 1.5 x 4.2 x 4.2 inches (3.8 x 10.7 x 10.7 cm)

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