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Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure. Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85-decibel siren provides a clear, loud warning upon detection.
Simple to use, with a single test/silence button, and side-load battery compartment; Tamper-resistant locking brackets and universal mounting brackets make installation easy. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire.

Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal.
Environment friendly, without smell, radiation or harm. It can keep you and your family safe at any time. A loud 85-decibel alarm sounds when carbon monoxide, and Smoke levels begin to rise, Easy to Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore.



Combo smoke and co detecor: features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms.
8 seconds. A loud 85-decibel alarm sounds when carbon monoxide, and Smoke levels begin to rise, Easy to Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore. Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm.

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.


Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre-programmed locations in your home. Features electrochemical carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms.

We provide a 12-month worry-free refund guarantee and a 5-year warranty. Mini combination of carbon Monoxide Detector and Smoke alarm Simple style Designed for Kitchen and Travel.

1. FIRST ALERT
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FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup. 3-Pack , White
#adFIRST ALERT #ad - Dust cover. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure. Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85-decibel siren provides a clear, loud warning upon detection.
More information #ad
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. Simple to use, with a single test/silence button, and side-load battery compartment; Tamper-resistant locking brackets and universal mounting brackets make installation easy. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.2 Inches |
Length | 5.6 Inches |
Weight | 0.7 Pounds |
Width | 5.6 Inches |
Part Number | SC9120BFF-3 |
Model | BRK SC9120B-3 |
More information #ad
2. Elvicto
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3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector, Kitchen, Travel Portable Photoelectric Fire Co Alarm for Home
#adElvicto #ad - Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. Combo smoke and co detecor: features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms.Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal.
More information #ad
10 year battery operated: this combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety. Environment friendly, without smell, radiation or harm. It can keep you and your family safe at any time. A loud 85-decibel alarm sounds when carbon monoxide, and Smoke levels begin to rise, Easy to Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore.
Brand | Elvicto #ad |
Manufacturer | Elvicto #ad |
Model | GS811-A |
More information #ad
3. ALERT PRO
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Smoke and CO Alarm Detector Combo Unit Battery Operated
#adALERT PRO #ad - This smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bathroom, or you are in the barbecue time, bedroom, hotel, . Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.More information #ad
5 year Waranty. When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered. Unit comes with with Long Live Batteries. Smoke detector and Carbon Monoxide Detector Alarm Combo Unit.Brand | ALERT PRO #ad |
Manufacturer | Siterwell Electronics Co Ltd #ad |
Part Number | GS508C |
Model | GS517 |
More information #ad
4. ALERT PRO
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Smoke and Carbon Monoxide Detector with LCD Display Battery Operated Combo Unit 3 Pack
#adALERT PRO #ad - Smoke alarm and carbon Monoxide Detector with LCD Display Combo Unit. If you dont like it will take it back no quations ask.More information #ad
Photoelectric sensor Detects Smoke, While Minimizing false alarms. 5 year manufacturer warranty. 100% customer satisfaction guaranteed. Unit comes with with Long Live Batteries.Brand | ALERT PRO #ad |
Manufacturer | SITERWELL ELECTRONIC CO #ad |
Part Number | GS508C |
More information #ad
5. Lecoolife
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Travel Portable Photoelectric Fire Co Alarm for Home, 3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector, Kitchen
#adLecoolife #ad - 10 year battery operated: this combination smoke detector and carbon monoxide detector alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety.Combo smoke and co detecor: features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms.
More information #ad
Practical lcd display: clearly indicates real-time carbon monoxide co concentration in the surrounding air, as well as the remaining battery life and working status of the alarm; if a CO concentration of 30-999 ppm exists for a certain time period, the screen will be backlit blue, and the LED indicator will flash red 4 times every 5.88 seconds. A loud 85-decibel alarm sounds when carbon monoxide, and Smoke levels begin to rise, Easy to Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore. Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Height | 1.5 Inches |
Length | 4 Inches |
Width | 4 Inches |
Part Number | combo 0804 |
Model | combo 0804 |
More information #ad
6. FIRST ALERT
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FIRST ALERT Plug-In Carbon Monoxide Detector with Battery Backup, CO605, 3-Pack
#adFIRST ALERT #ad - Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room. To ensure complete protection make sure to place 1 on each level of your home and in each bedroom.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.
More information #ad
All first alert co alarms are rigorously tested to meet UL standards. Simple to use, with a single test/silence button; A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels. 7 year limited warranty; equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety.Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 9 Inches |
Length | 6.75 Inches |
Width | 6.9 Inches |
Part Number | CO605 |
Model | CO605 |
Warranty | 7 Year Limited |
More information #ad
7. Kidde
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Interconnect Combination Smoke & CO Alarm, Kidde Smoke & Carbon Monoxide Detector, Voice Alert, Battery Powered
#adKidde #ad - Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries. Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.More information #ad
Fire & co detector in 1 unit with alert modes, & voice alarm, "Fire! Fire!", LED lights, that states, "Warning! Carbon Monoxide!", or "Low Battery!". Ul certified, 10-year limited warranty. Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Weight | 1 Pounds |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
8. FIRST ALERT
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3-Pack, FIRST ALERT BRK SC7010BV-3 Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector
#adFIRST ALERT #ad - 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 3-pack of talking hardwired smoke and carbon monoxide alarms; they're equipped with voice and location, so you are alerted of the danger and where it originates from across your house.More information #ad
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 pre-programmed locations in your home. Features electrochemical carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 2.4 Inches |
Length | 5.1 Inches |
Weight | 0.74 Pounds |
Width | 5.1 Inches |
Part Number | SC7010BVFF-3 |
Model | BRK SC7010BV-3 |
More information #ad
9. ARIKON
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3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Portable Smoke and Co Alarm for Home Bedroom Travel
#adARIKON #ad - Smoke and co detector you can hear the low power alarm When the Power is Going to Run out, and Won’t Miss the Chance to Change the New Battery. Photoelectric sensor detects smoke While Minimizing false alarms, Electrochemical CO Sensor Alerts you to Carbon Monoxide Danger.We provide a 12-month worry-free refund guarantee and a 5-year warranty. Mini combination of carbon Monoxide Detector and Smoke alarm Simple style Designed for Kitchen and Travel.
More information #ad
Combo smoke detector/carbon monoxide alarm Detects Battery-operated Unit installs Quickly and Easily Without an Electrician, loud 85dB Decibel alarm. If you have any questions or concerns, please do Not Hesitate to Contact Us at Any Time, and We Will Reply to You within 24 Hours.Brand | ARIKON #ad |
Manufacturer | TJTFJS #ad |
Height | 1.45 Inches |
Length | 4.17 Inches |
Weight | 0.58 Pounds |
Width | 4.17 Inches |
Part Number | 494WWYKRWSHIS25 |
More information #ad
10. Kidde
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AC-Plug-In with Battery Backup, Kidde Nighthawk Carbon Monoxide Detector, Digital Display
#adKidde #ad - Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure. Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage.More information #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. 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.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