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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.
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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. 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 mute, quiets low battery signal for up to 8 hours. Battery operated unit installs quickly and easily without an electrician.
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. 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 alarms are rigorously tested to meet UL standards.

Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal.
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.

Fire and co detector in 1 unit with alert modes, "fire.

Lcd display: cleary indicates real-time carbon monoxide CO concentration in the surrounding air, as well as the remaining battery life and working status of the alarm.
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 firesand instantly notifies you when dangerous smoke or Co concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit. Please kindly press if false alarm.

Smoke and carbon monoxide detector in one unit - saves time, money, and space. Easy to install - automatically activates when attached to mounting bracket. Photoelectric & electrochemical sensing technology work together to reduce false alarms from things like routine cooking - perfect for the kitchen.


Will interconnect with up to 24 other devices including smoke, CO and heat alarms.
1. FIRST ALERT
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FIRST ALERT BRK SC7010BV-3 Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector, White, 3-Pack
#adFIRST ALERT #ad - Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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.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.
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. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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
2. 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 - 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. 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.More information #ad
Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. 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. 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.
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
3. FIRST ALERT
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First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, 1 Pack, White, Battery Operated
#adFIRST ALERT #ad - Emits T3 Pattern. 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 battery operated smoke and carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.Low battery signal mute, quiets low battery signal for up to 8 hours. Battery operated unit installs quickly and easily without an electrician.
More information #ad
It can ship within the US except New York. Features an electrochemical carbon monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire. Simple to use, with a single test/silence button; EZ access battery drawer allows you to change battery without removing alarm from ceiling. 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. 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 alarms are rigorously tested to meet UL standards.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5 Inches |
Length | 2 Inches |
Weight | 0.6 Pounds |
Width | 5 Inches |
Part Number | SCO5CN |
Model | SCO5CN |
Warranty | ------- |
More information #ad
4. Lecoolife
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Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated White, 3 Pack Photoelectric Smoke and Carbon Monoxide Detector
#adLecoolife #ad - Test/sience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. It can keep you and your family safe at any time. Combo smoke and co detector: 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
Environment friendly, without smell, radiation or harm. No hardwired anymore. 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. 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.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Part Number | GS811-A |
Model | 81 |
More information #ad
5. Kidde
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Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm with Voice Alert, Lithium Battery Powered
#adKidde #ad - Protects during a power failure - combo smoke and CO alarm operates on a sealed, lithium battery. Photoelectric and electrochemical sensor technologies - smoke detector detects invisible fire particles, while the carbon monoxide detects poisonous carbon monoxide gas; 85 decibel alarm alerts of fire.Fire and co detector in 1 unit with alert modes, "fire.
More information #ad
Fire. Warning. Ul certified, 10-year limited warranty. Carbon Monoxide. And voice alarm, led lights, that states, or "Low Battery. ". Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.22 Inches |
Length | 5.22 Inches |
Width | 1.6 Inches |
Part Number | 21026065 |
Model | P3010CU |
Warranty | 10 year limited |
More information #ad
6. Lecoolife
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3 Pack Combination Photoelectric Smoke Alarm and Carbon Monoxide Detector Battery Operated with Digital Display White
#adLecoolife #ad - Easy install and use: the alarm can easily install with mounting bracket No hardwired anymore. Loud 85-decibel alarm is desiqned to be heard easily. Safety and 5 year warranty: low battery signal alarm and "end of life warning ensures the detector can work normal Environment friendly, without smell, radiation or harm.Lcd display: cleary indicates real-time carbon monoxide CO concentration in the surrounding air, as well as the remaining battery life and working status of the alarm.
More information #ad
Very convenient to install at home or bedroom - wall mount, screws included. Test and silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume:Loud>85dBAat 1 meters. 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 firesand instantly notifies you when dangerous smoke or Co concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit. Please kindly press if false alarm.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS811-A |
More information #ad
7. Kidde
#ad
Kidde Kitchen Smoke Detector & Carbon Monoxide Detector Combo with Long-Life Lithium Battery
#adKidde #ad - No battery replacement needed - operates on a long-life lithium battery that lasts for approximately a decade, the entire life of this smoke & carbon monoxide detector.Smoke and carbon monoxide detector in one unit - saves time, money, and space. Easy to install - automatically activates when attached to mounting bracket. Photoelectric & electrochemical sensing technology work together to reduce false alarms from things like routine cooking - perfect for the kitchen.
More information #ad
Test & hush button - quickly silence false alarms and easily test the unit to make sure the carbon monoxide smoke detector combo is operating. Ul certified, 10-year limited warranty.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1.6 Inches |
Length | 5.22 Inches |
Weight | 0.31 Pounds |
Width | 5.22 Inches |
Part Number | 21010170 |
Model | P3010k-CO |
Warranty | 10 year limited warranty |
More information #ad
8. FIRST ALERT
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SCO500B-3, First Alert Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location
#adFIRST ALERT #ad - Features photoelectric smoke sensor and electrochemical CO sensor. Battery-operated smoke and carbon monoxide alarm. One button silences a false alarm and tests the unit.More information #ad
Voice alarm gives clear indication of where the problem is located. Connects multiple alarms together for wireless safety network.Brand | FIRST ALERT #ad |
Manufacturer | BRK Brands #ad |
Height | 9 Inches |
Length | 10.75 Inches |
Width | 7.13 Inches |
Part Number | 1042870 |
Model | 1042870 |
Warranty | 7-YEAR LIMITED WARRANTY |
More information #ad
9. Kidde
#ad
Voice Alerts, Kidde Smoke & Carbon Monoxide Detector, Hardwired Interconnect, Combination Smoke & CO Alarm with Battery Backup
#adKidde #ad - Photoelectric smoke detector senses visible fire particles and electrochemical CO detector provides accurate readings. Hardwired with backup battery - combo smoke and carbon monoxide detector is hardwired into a 120V power source with 9V battery backup.Will interconnect with up to 24 other devices including smoke, CO and heat alarms.
More information #ad
Smoke detector carbon monoxide detector combo – sounds loud 85 decibel alarm with voice alerts that announce "Fire! Fire!" or "Warning! Carbon Monoxide!". Ul certified, 10-year limited warranty. Easy installation – battery door is on the front for quick replacement.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1.85 Inches |
Length | 5.79 Inches |
Weight | 0.7 Pounds |
Width | 5.79 Inches |
Part Number | 21029735 |
Model | KN-COPE-IC |
Warranty | 7 year limited |
More information #ad