CO detectors are essential safety devices that help protect your home and loved ones from the dangers of carbon monoxide poisoning. In 2025, the market offers a variety of advanced models equipped with features such as digital displays, smart home integration, and long-lasting battery life. These top-rated detectors ensure reliable performance and quick alerts, making them a must-have for every household. Investing in a high-quality CO detector can provide peace of mind and enhance your home’s safety.
SALE
−$9.86
Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
- Electrochemical sensor technology detects CO gas
- Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included); Install on a wall of your home or place on a tabletop
- Easy to take along for hotel and vacation rental monitoring
- Green LED indicates power to the carbon monoxide detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- Event Memory records the last time carbon monoxide was detected or when the unit was last tested
$18.13
SALE
−$13.49
Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 2-AA battery backup provides protection during a power outage
- 85-decibel alarm announces when carbon monoxide is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
- Test-Hush Button makes testing the detector or silencing false alarms easy
$24.50
First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
- 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 , Battery Replaceable - Yes
- 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
$19.99
Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
- Electrochemical sensor technology detects CO gas
- Easy installation, no wiring needed, detects during a power failure by operating on 2-AA batteries (included)
- Conveniently designed & portable: simple to install on a wall of your home or place on a tabletop
- Green LED indicates power to the smoke detector, while an 85-decibel alarm & a red LED indicates the presence of carbon monoxide
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
$27.94
SALE
−$19.00
First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White
- 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 upto 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
$27.99
2 Pack Carbon Monoxide Detectors,CO Detectors Battery Powered,Carbon Monoxide CO Alarms with Light&Digital Display for Home,Bedroom,Kitchen,Office
- High Sensitivity and Rapid Response: Equipped with an advanced Carbon Monoxide Detector Chip and electrochemical sensor, our CO Gas Monitor Alarm quickly detects odorless, invisible, and deadly carbon monoxide in the air.Respond quickly to protect your life.
- Easy Installation: Our YTBASE carbon monoxide detector provides continuous monitoring of CO levels, ensuring the safety of your family. No need for wiring, just insert 2 AA batteries (not included) and it's ready to detect, even during power failures.
- Multiple Alarm Standards: Be alerted at different levels of carbon monoxide concentration. 50ppm sounds an alarm within 60 to 90 minutes, 100ppm sounds an alarm within 10 to 40 minutes, and 300ppm sounds an alarm within 3 minutes. Stay informed and take prompt action.
- Simple to Use: Featuring a single test/reset button, our CO detector is user-friendly. When dangerous CO levels are detected, the red light flashes and a loud 85-decibel alarm sounds, ensuring the safety of your loved ones and property.
- Wide Application: Suitable for various environments where carbon monoxide may be present, such as your home kitchen, bedroom, bathroom, hotel, or during outdoor activities like barbecuing or in parking garages. Stay protected wherever you are.
$15.99
SALE
−$28.56
Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 9-volt battery backup provides protection during a power outage
- Digital LED display shows the level of carbon monoxide the CO alarm is sensing
- 85-decibel alarm announces when carbon monoxide is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
$42.94
2 Pack Combination Gas & Carbon Monoxide Detectors - Plug in CO Alarm & Natural Gas Detector with Digital Display, CO Detector & Combustible Gas Detector for Home, Easy to Read
- 【Koabbit Combination Gas & Carbon Monoxide Detectors】Plug and play, easy to install and easy to read.
- 【High Sensitivity Sensors】The gas and carbon monoxide detector contains a catalytic combustion sensor and an electrochemical sensor, both of which are highly sensitive and accurate, allowing you to detect conditions in a timely manner.
- 【LCD Display & 85 High Volume Alarm】When the combustible gas or carbon monoxide gas reaches a certain level, the gas detector will display the gas concentration value and sound an alarm, allowing you to quickly determine and make the right choice.
- 【9V Battery Backup 】A 9V battery backup can be installed to avoid the hassle of power outages.
- 【Combustible Gas Detection Range】LPG(Methane), natural gas, coal gas, gas fuel, artificial gas, liquefied petroleum gas, liquefied natural gas etc.
$59.99
Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
- Easy Installation - simply plug-in to a standard, 120V outlet in your home
- 9-volt battery backup provides protection during a power outage
- Digital LED display shows the level of carbon monoxide the CO alarm is sensing or states "GAS" when explosive gas is present
- 85-decibel alarm announces when carbon monoxide or explosive gas is detected
- Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested
$62.59
SALE
−$9.00
X-Sense Plug-in Carbon Monoxide Detector, with AAA Battery Backup, XC0C-SA, 1-Pack
- Decade-Long Lifespan: The XC0C-SA plug-in carbon monoxide detector provides you with reliable protection and peace of mind for 10 years
- Reliable AC Plug-In with Backup Battery: Enjoy the convenience of this CO detector that plugs in an outlet to utilize AC power, making home safety easier than ever; in the event of a power outage, the backup battery takes over, keeping you protected from this silent threat without interruption; this dual power source means 24/7 protection—and one less thing to think about
- Safety on the Go: Designed with a compact plug, this carbon monoxide detector can be easily slipped into luggage and used in hotels to ensure truly safe travels; this CO detector runs on 120 V mains power, so make sure to check local voltage and outlet compatibility to prevent fire hazards when traveling; avoid using incompatible outlets
- Sleep-Friendly Light: Ideal for bedrooms, this CO detector’s green status light is soft and dim so it won’t disturb sleep; the steady green LED indicates a stable power supply, allowing you to quickly and easily check it is working
- Peak Memory Alerts: Check for potential leaks while you were away using the peak CO level display since the last reset, meaning you can always be alert to—and take action about—any potential danger
$20.99
Last update on 2025-05-02 / Affiliate links / Images from Amazon Product Advertising API