Top 16 Best Co Detector 2023

CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home

Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage

Easy & quick installation - plugs into any standard AC wall outlet

Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas

UL Certified, 10-year limited warranty

CO detector with alert modes & 2 LED lights that pulse for power & CO detection

Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm

Protects during a power failure - CO detector operates on 3-AA batteries

Easy to read digital display - allows for easy viewing of carbon monoxide levels

UL Certified, 10-year limited warranty

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.The alarm sequence should last 5-6 seconds. If it does not alarm, make sure fresh batteries are correctly installed, and test it again. If the unit still does not alarm, replace it immediately

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

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure. Temperature Range-40˚F (4.4˚C) to 100˚F (37.8˚C)

Easy installation - plug can be installed in any outlet of your home; or use the attached extension cord to place on a table or shelf

Peace of mind - when CO detection is normal, a red dot appears in the lower right corner & blinks; includes a test button

Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage

UL Certified, 10-year limited warranty

CO detector with alert modes & LED lights that pulse for power, CO detection, & low battery

Sophisticated electronic components to protect you & your family from the dangers of carbon monoxide, 85 decibel alarm alerts of fire

Protects during a power failure - operates on 2-AA batteries, included with pack

Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases

UL Certified, 10-year limited warranty

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. Low battery signal mute, quiets low battery signal for up to 8 hours

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 inches, item width is 1.38 inches and item height is 5 inches

First Alert has been the most trusted brand in home safety since launching the first residential smoke alarm in 1958 (Based on a First Alert Brand Trust Survey in February 2018)

Easy to install CO and explosive gas alarm with three convenient mounting options including AC wall outlet, plugin six foot power cord, or table top

Carbon Monoxide (CO) alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. Displays CO concentration

Gas alarms one second of alarm on, one second of alarm off, repeating with “GAS” shown in display

Loud pulsing alarm that will sound to alert you to a potential problem

Low battery warning feature indicates when the battery needs replacement

UL Certified, 5-year Limited Warranty

Two alarms in one detects carbon monoxide and explosive gas

Three convenient mounting options

Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset

Battery backup 9 volt battery included

Kidde’s carbon monoxide alarms meet the requirements of Underwriters Laboratories (UL), an independent facility that tests products for compliance with widely-accepted safety standards

Flexible Installation: Wall-mounted or free-standing; easy to take while traveling

High Accuracy & Reliability: Advanced Figaro electrochemical CO sensor; 5-year replaceable battery

Instant Alert: An early warning will be delivered through a loud 85-decibel alarm

Informative LCD: Displays real-time CO levels and remembers dangerous CO levels since the last preset

Intuitive LED: 3-colored LED indicator flashes red, green, or yellow to indicate an alarm, power, or a fault

[Accurate] The carbon monoxide detectors use an advanced electrochemical sensors and precise software controls, which can instantly and accurately detect CO, giving you the earliest possible warning of CO threat.

[7-year 24/7 protection with replaceable battery] This CO detector powered by 2 replaceable 1.5 V AA batteries and a 7-year sensor life which provides 24/7 protection even during power outages.

[Humanized Design] If the carbon monoxide alarm come into the status of CO alarm warning, the alarm will start in a lower alarm volume (<85dB) for around 10 seconds, then issuing a normal alarm volume (>85dB). It will avoid people to be scared suddenly by a loudness alarm sound.

[LED Indicator] Accordinng to the co detector's working situation, the LED indicator will show different colors to notify you to ensure your safty (the green indicates normal operation, the red indicates an alarm state, and the yellow indicates a fault).

[Test & Silence Button] The co alarm design of the test function by pressing the test button, used to test the product is working normal and easily mute the alarm when a false alarm occurs. A weekly test is required.

Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas

Portable CO detector with user protection and short-term exposure limit (STEL) alarm

Low level alarm (35 ppm) and high level alarm (200 ppm)

Audible and visual alarms

Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)

Auto-power off after 20 minutes of no usage helps conserve battery life

Includes carrying pouch and 4xAAA batteries