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Alerts user to replace alarm after 10 years of operation. Digital display — displays the level of carbon monoxide the unit is sensing.
No night chirps — end of life and low battery signals programmed not to occur in dark conditions, helping to prevent needless waking of user. Automatically dims in low light conditions. End of life alarm — alerts user to replace alarm after 10 years of operation. Voice alarm — unit announces “warning! carbon Monoxide! ” once CO levels exceed 100 PPM, and also when in alarm condition.



Carbon monoxide co alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. 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.
Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset. Displays CO concentration. Three convenient mounting options. Low battery warning feature indicates when the battery needs replacement. Ul certified, 5-year Limited Warranty.

1. Kidde
#ad
Kidde Carbon Monoxide Detector, CO Alarm with Replacement Alert, AC-Plug-In with Battery Backup
#adKidde #ad - Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire. Co detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home.More information #ad
Ul certified, 10-year limited warranty. Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage. Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases.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. Kidde
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Kidde Nighthawk Carbon Monoxide Detector, Digital Display, AC-Plug-In with Battery Backup
#adKidde #ad - 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. 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. Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage. Ul certified, 10-year limited warranty.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
3. Kidde
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AC-Plug-In with 10-Year Battery Backup & Digital Display, Kidde Carbon Monoxide Detector
#adKidde #ad - Protects during a power outage: 10-year, sealed lithium battery eliminates the need for battery replacement. Test-silence button - allows for test & silence of alarm. Electrochemical sensing technology - detects poisonous carbon monoxide gas & alerts with 85 decibel alarm & digital display.More information #ad
Easy installation - carbon monoxide alarm is powered by plugging into an outlet; no hardwiring or batteries required. Ul certified, 10-year limited warranty.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.5 Inches |
Weight | 0.75 Pounds |
Width | 3 Inches |
Part Number | 900-0280 |
Model | KN-COP-DP-10YL |
Warranty | 10 year limited |
More information #ad
4. Kidde
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AC-Plug-In with Lithium Battery Backup, Kidde Carbon Monoxide Detector, Digital Display
#adKidde #ad - Protects during a power failure - carbon monoxide alarm contains a ten-year, sealed lithium battery backup. Ul certified, 10-year limited warranty. Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage.More information #ad
Night light & escape light features - the brightness of the night light can be adjusted to 10 different levels by pushing the peak level button or turning off, if needed. Easy installation - plug can be installed in any outlet of your home.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 11.5 Inches |
Length | 8 Inches |
Weight | 0.62 Pounds |
Width | 3 Inches |
Part Number | 21026365 |
Model | KN-COP-DP-10YH |
More information #ad
5. Kidde
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Batteries Included, 6-Pack, Kidde Carbon Monoxide Detector, Battery-Powered Alarm
#adKidde #ad - Portable and easy to install anywhere you need a CO alarm in your home. Ul certified; 10-year limited warranty. Convenient reference guide on inside of battery door, so you’ll know what to do if the alarm sounds. Simple, portable battery-operated carbon monoxide detectors can be installed on any wall, ceiling, or tabletop.More information #ad
Operates on 2 aa batteries included to provide CO leak protection even during a power outage. Loud 85-decibel alarm alerts the presence of dangerous carbon monoxide gas and red light illuminates when in alarm mode.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 4 Inches |
Length | 10.75 Inches |
Weight | 1 Pounds |
Width | 6.25 Inches |
Part Number | 21025788 |
Model | KN-COB-B-LPM |
More information #ad
6. Kidde
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White, Kidde Bedroom Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Backup and Digital Display | Model 900-0282 | KN-COP-DP-10YB
#adKidde #ad - The kidde 900-0282 has a 10-year operational life, which provides a 40% longer lifespan than other plug-in CO alarms. The alarm includes a 10-year limited, and is listed by UL to the UL2034 Standard. Sealed lithium battery backup — 10-year* tamper proof battery eliminates need for battery replacement.Alerts user to replace alarm after 10 years of operation. Digital display — displays the level of carbon monoxide the unit is sensing.
More information #ad
The digital display feature adds an advanced level of protection showing CO levels in PPM allowing you to see if levels change. Peak level memory —displays the peak CO level recorded since its last reset. Can be temporarily silenced for convenience. No night chirps — end of life and low battery signals programmed not to occur in dark conditions, helping to prevent needless waking of user. Automatically dims in low light conditions. End of life alarm — alerts user to replace alarm after 10 years of operation. Voice alarm — unit announces “warning! carbon Monoxide! ” once CO levels exceed 100 PPM, and also when in alarm condition.
Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.5 Inches |
Width | 3 Inches |
Part Number | 900-0282 |
Model | KN-COP-DP-10YB |
Warranty | 10 year limited |
More information #ad
7. Kidde
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Kidde AC Plug-in Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Mo & AC Carbon Monoxide Detector Alarm | Plug-in with Battery Backup | Model KN-COP-DP2
#adKidde #ad - Tamper resist feature – can be activated to cause unit to go into alarm if it has been unplugged or has come loose from the outlet. Green – ac power is present, normal operation.More information #ad
Protects you and your family from 2 deadly threats: Carbon monoxide and explosive gas. Sounder alarm – the kn-coeg-3 offers a loud 85-decibel pulsing alarm that will sound to alert you to a potential problem. 2 led’s: red - illuminates when in alarm mode.Brand | Kidde #ad |
More information #ad
8. Kidde
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Living Area Plug-in Carbon Monoxide Detector Alarm with Sealed Lithium Battery Back-up and Digital Display | Model 900-0284 | KN-COP-DP-10YH
#adKidde #ad - Hallway exit light. Tamper resistant. Sealed lithium battery back up. 10 year end of life warning. Audio alarm: 85dB at 10 feet.More information #ad
Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.5 Inches |
Width | 3 Inches |
Part Number | 21026367 |
Model | KN-COP-DP-10YH |
Warranty | 10 year limited |
More information #ad
9. Kidde
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Digital Display , AC-Plug-In with Battery Backup, Natural, White, & Explosive Gas Detector, Kidde Nighthawk Carbon Monoxide Detector & Propane
#adKidde #ad - Loud pulsing alarm that will sound to alert you to a potential problem. Gas alarms one second of alarm on, one second of alarm off, repeating with “GAS” shown in display. Two alarms in one detects carbon monoxide and explosive gas.Carbon monoxide co alarms four quick beeps, followed by five seconds of silence, followed by four quick beeps. 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.
More information #ad
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. Digital display and peak level button displays the peak CO level recorded by the alarm since it was last reset. Displays CO concentration. Three convenient mounting options. Low battery warning feature indicates when the battery needs replacement. Ul certified, 5-year Limited Warranty.
Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 11 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 8 Inches |
Part Number | KI-21006677 |
Model | KN-COEG-3 |
Warranty | 5 Year Limited |
More information #ad
10. Kidde
#ad
AC-Plug-in with Battery Backup, Kidde Nighthawk Carbon Monoxide Detector, Pack of 2, Digital Display
#adKidde #ad - Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure. Peace of mind - when co detection is normal, a red dot appears in the lower right corner & blinks; includes a test button.More information #ad
Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage. 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 | 6.06 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 1.75 Inches |
Part Number | 900-0076 |
Model | KN-COPP-3 |
Warranty | 10 year limited manufacturer. |
More information #ad