The 15 Best Co2 Detector in September 2023

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

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

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)

2-in-1 Accurate,Reliable &Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires,and instantly notifies you when dangerous smoke or Co concentration is detected while minimizina false alarms: provides the ultimate protection from 2 deadly threats,all contained in 1unit

LCD Display: Clearly indicates real-time carbon monoxideCOconcentration in the surrounding air as well as the remaining battery life and working status of the alarm

Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm. Alarm Volume:Loud>85dB(A) at 1 meters. Loud 85-decibel alarm is desianed to be heard easily. Pls kindly press if false alarm.

Easy Install and Use:The alarm can easily install with mounting bracket.No hardwired anymore, very convenient to install at home or bedroom-wall mountscrewsincluded.

Safety and 5 year Warranty: Low battery sianal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell radiation or harm.If any problem, contact with us without hesitation,we will reply to you asap.

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

Kidde is the #1 most installed fire safety brand in North America* - and a trusted leader in fire safety for more than 100 years

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)

Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure

Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon monoxide measured

Built-in 10-year lithium battery offers continuous protection for the life of the carbon monoxide detector

A loud 85-decibel alarm sounds when CO levels reach dangerous levels

10-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)

HIGHEST QUALITY, most accurate electrochemical co sensor technology

CONVENIENT, end of life chirping signal

HELPFUL, 2 silence features that silence both alarm and low-battery chirp

FEATURES, 9-Volt Battery and all necessary mounting hardware

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

Electrochemical CO Sensor is the most accurate technology available

Two Silence Features Silence Low Battery Chirp For up to 8 Hours

End of Life Signal

Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery

9V Battery Included

Provides detection even during power failures - carbon monoxide alarm operates on a long-life, sealed lithium battery

Digital display updates every 15 seconds to show the level of carbon monoxide the CO monitor is sensing

Easy installation and no battery fuss - CO alarm will automatically activate when attached to the mounting bracket

Carbon monoxide detector offers alert modes and 3 LEDs that indicate power, CO detection, or low battery

UL Certified, 10-year limited warranty

Package contains two carbon monoxide alarms

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