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Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room. All first alert co alarms are rigorously tested to meet UL standards.

Etl listed: this smoke and carbon monoxide detector has been approved by the ETL and meets UL 217 and UL 2034 safety standards.
2-in-1 protection: the combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor. 10-year battery: the fire and co alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage.

No hardwired anymore, very convenient to install at home or bedroom-wall mountscrewsincluded. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm. 2-in-1 accurate, and instantly notifies you when dangerous smoke or co concentration is detected while minimizina false alarms: provides the ultimate protection from 2 deadly threats, 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, all contained in 1unit.
Safety and 5 year warranty: low battery sianal alarm and "end of life"warning ensures the detector can work normal. Pls kindly press if false alarm. Alarm volume:loud>85dBA at 1 meters. Environment friendly, contact with us without hesitation, without smell radiation or harm. If any problem, we will reply to you asap.


7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.
Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured. 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.

Quick easy installation: requires no rewiring, easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.

2in 1 detector:one alarm to protect against 2 deadly threats, Including Smoke and Carbon Monoxide; Instantly Notify You When Dangerous Smoke or CO Concentration Is Detected While Minimizing False Alarms.


Easy to install:carbon monoxide detector plug in wall.
1. Kidde
#ad
AC Plug-In with Battery Backup, Kidde Carbon Monoxide Detector, CO Alarm with Replacement Alert
#adKidde #ad - 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. 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.More information #ad
Easy & quick installation - plugs into any standard AC wall outlet. Ul certified, 10-year limited warranty. Co detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 4.5 Inches |
Length | 2.75 Inches |
Weight | 0.04 Pounds |
Width | 1.5 Inches |
Part Number | 900-0263 |
Model | KN-COB-DP2 |
More information #ad
2. FIRST ALERT
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3-Pack, FIRST ALERT Plug-In Carbon Monoxide Detector with Battery Backup, CO605
#adFIRST ALERT #ad - To ensure complete protection make sure to place 1 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.Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room. All first alert co alarms are rigorously tested to meet UL standards.
More information #ad
Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels. 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.Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 9 Inches |
Length | 6.75 Inches |
Weight | 1.9 Pounds |
Width | 6.9 Inches |
Part Number | CO605 |
Model | CO605 |
Warranty | 7 Year Limited |
More information #ad
3. X-Sense
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X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display
#adX-Sense #ad - Assured after-sales services: x-sense offers a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Combination alarm with co readings: the informative LCD will show you the battery level and real-time CO levels in PPM parts per million.Etl listed: this smoke and carbon monoxide detector has been approved by the ETL and meets UL 217 and UL 2034 safety standards.
More information #ad
Simple installation: requires no rewiring; easy to mount this smoke and carbon monoxide alarm on any wall or ceiling with the included mounting bracket, screws, and anchor plugs. 2-in-1 protection: the combination smoke and CO detector detects both smoke and carbon monoxide faster and more accurately using a photoelectric smoke sensor and an electrochemical CO sensor. 10-year battery: the fire and co alarm is built with a sealed lithium battery that provides 10 years of continuous power, saving you from changing batteries and power outage.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Width | 5.7 Inches |
Part Number | SC07 |
Model | SC07 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
4. Lecoolife
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Portable Fire Co Alarm for Home and Kitchen White, 2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector
#adLecoolife #ad - 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. Loud 85-decibel alarm is desianed to be heard easily. 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. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm. 2-in-1 accurate, and instantly notifies you when dangerous smoke or co concentration is detected while minimizina false alarms: provides the ultimate protection from 2 deadly threats, 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, all contained in 1unit.
More information #ad
Safety and 5 year warranty: low battery sianal alarm and "end of life"warning ensures the detector can work normal. Pls kindly press if false alarm. Alarm volume:loud>85dBA at 1 meters. Environment friendly, contact with us without hesitation, without smell radiation or harm. If any problem, we will reply to you asap.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS528A |
More information #ad
5. Kidde
#ad
AC-Plug-In with Battery Backup, Digital Display, Kidde Nighthawk Carbon Monoxide Detector
#adKidde #ad - Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage. Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure.More information #ad
Peace of mind - when co detection is normal, a red dot appears in the lower right corner & blinks; includes a test button. Ul certified, 10-year limited warranty. 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.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 1.75 Inches |
Length | 6.06 Inches |
Weight | 3 Pounds |
Width | 3.75 Inches |
Part Number | 900-0076 |
Model | KN-COPP-3 |
Warranty | 10 Year Limited |
More information #ad
6. FIRST ALERT
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First Alert CO615 Plug-in Alarm with Battery Backup and Digital Display 1 Pack, White
#adFIRST ALERT #ad - All first alert cO alarms are rigorously tested to meet UL standards. 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.7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.
More information #ad
To ensure complete protection make sure to place one on each level of your home and in each bedroom. A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels. Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide measured. 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.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5 Inches |
Length | 3.4 Inches |
Weight | 0.6 Pounds |
Width | 1.7 Inches |
Part Number | FATCO615 |
Model | CO615 |
Warranty | 7-year Limited Warranty |
More information #ad
7. Lecoolife
#ad
Smoke Detector and Carbon Monoxide Detector Battery Powered with Test/Reset Button 2 Pack
#adLecoolife #ad - 2-in-1 accurate, reliable & highly sensitive alarm: Combination smoke detector and carbon monoxide detector can sensitively detect the threat of these two gases. Sound and light alarm: when a dangerous level of carbon monoxide is detected, the red light will flashes and a loud alarm pattern will sound-Loud 85 decibel carbon monoxide alarm with red light flash to protect your family's life and property safety from CO detector.More information #ad
Energy saving: operated by 3 aaa batteries, You can hear the alarm when the power is low, don't worry about when to replace the battery. Application co detector place: this carbon monoxide detector suitable for all place where it is possible to produce carbon monoxide, hotel, bathroom, or you are in the barbecue time, such as your home kitchen, bedroom, your parking garage. Quick easy installation: requires no rewiring, easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Height | 4 Inches |
Length | 5 Inches |
Width | 5 Inches |
Part Number | GS528A |
Model | GS528A |
More information #ad
8. BQQZHZ
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3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, with Display,Battery Operated,White
#adBQQZHZ #ad - Premium quality: a 6-year warranty, if You Have Any Questions, and lifetime Customer Support, Please Feel Free to Contact Us. Lcd display: clearly displays real-time Carbon Monoxide CO Concentration in the Surrounding Air, Real-Time Monitor Protects Your Safety.2in 1 detector:one alarm to protect against 2 deadly threats, Including Smoke and Carbon Monoxide; Instantly Notify You When Dangerous Smoke or CO Concentration Is Detected While Minimizing False Alarms.
More information #ad
Scientific design : a full 360 ° ring of air Intakes Ensures Complete Detection with No Blind Spots, Ensure Accuracy and High Sensitivity. High accuratel sensor:upgraded photoelectric and Electrochemical Sensors Significantly Increase the Sensitivity of the Alarm for a Faster Response Time While Minimizing False Alarms.Brand | BQQZHZ #ad |
Manufacturer | BQQZHZ #ad |
More information #ad
9. Kidde
#ad
Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm, Battery Powered, Voice Alert
#adKidde #ad - Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Carbon Monoxide. Fire. Fire. Or "low Battery. ". Fire and co detector in 1 unit with alert modes, and voice alarm, led lights, that states, "Warning.More information #ad
Ul certified, 10-year limited warranty. Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
10. HAOKESITE
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HAOTESITE Carbon Monoxide Detector,Plug-in Type CO Alarm Monitor with Digital Display & Sound & Light Warning for Home/Travel
#adHAOKESITE #ad - If you have any questions, feel free to contact us and get a full refund for no reason. We provide a 60-day money back service. Safety certification: UL2034 Certification. Keep your family safe with this plug-in type co detector: This Portable Carbon Monoxide Detector Use High Reliability Electrochemical Sensor, Excellent Repeatability and Stability, Sensitive Response, Rapid Alarm.Easy to install:carbon monoxide detector plug in wall.
More information #ad
Just plug in, and ready for monitoring potential gas leak risky after warm up process. Human voice warning:when the gas concentration reaches a certain level, the carbon monoxide alarm immediately emits an audible alarm >85 dB, allowing you to react quickly and protect your home. Real-time monitoring:you can see the PPM value of CO concentration displayed on the screen to quickly understand the environmental conditions.Brand | HAOKESITE #ad |
Manufacturer | Shenzhen Wei'an Environmental Protection Electronic Technology Co., Ltd. #ad |
Height | 2.68 Inches |
Length | 4.17 Inches |
Weight | 3.52 ounces |
Width | 2.95 Inches |
Model | WA996 |
More information #ad