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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.
Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.


Built-in 10-year battery: provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries or wonder if your alarm is still functioning.
Assured quality: approved by the etl and meets the ul 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Led indicator: clearly informs you of the working status of the alarm with its 3-color flashing LED indicator green LED indicates normal operation, and yellow LED indicates a fault, red LED indicates the alarm status, ensuring the safety and security of your home 24/7.

Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Temperature Range-40˚F 4. 4˚c to 100˚f 37.

Premium quality: made from a premium pc material, ensuring exceptional quality and protection; approved by the ETL and meets the UL 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support.
Combination smoke and carbon monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source. Faster response to dangers with loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms.

Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Rigorously tested to meet UL standards. In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues.
10 year limited warranty; equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.

Complies with all current 10 year legislation in U. 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.
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. A loud 85 decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise. States/cities where required. Features a sleek, low profile design to blend more fully into the wall and out of sight.

One button silences a false alarm and tests the unit. Voice alarm gives clear indication of where the problem is located. Battery operated smoke and carbon monoxide alarm can be installed easily.

1. Kidde
#ad
Voice Alert, Battery Powered, Interconnect Combination Smoke & CO Alarm, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire at 10 feet. 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.More information #ad
Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries. Fire & co detector in 1 unit with alert modes, led lights, "Fire Fire", & voice alarm, that states, "Warning Carbon Monoxide", or "Low Battery".Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | 21026043 |
Warranty | 5-year limited warranty |
More information #ad
2. FIRST ALERT
#ad
White, 1 pack , FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup
#adFIRST ALERT #ad - Rigorously tested to meet UL standards. 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.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.
More information #ad
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. Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 1.9 Inches |
Length | 5.6 Inches |
Weight | 0.25 Pounds |
Width | 5.6 Inches |
Part Number | SC9120B |
Model | SC9120B |
Warranty | 7 Year Limited |
More information #ad
3. Kidde
#ad
Kidde Smoke & Carbon Monoxide Detector, Interconnect Combination Smoke & CO Alarm with Battery Backup, Hardwired, Voice Alert
#adKidde #ad - Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Ul certified, 10-year limited warranty. Protects during a power failure - CO detector operates on a 120V power source with 9V front-loading battery backup.More information #ad
Photoelectric sensor technology - hardwired Carbon Monoxide detector detects visible fire particles, 85 decibel alarm alerts of fire. Fire & co detector in 1 unit with alert modes, led lights, "Warning! Carbon Monoxide!", "Fire! Fire!", & voice alarm, that states, or "Low Battery!".Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 0.93 Pounds |
Width | 6 Inches |
Part Number | 21006407 |
Model | KN-COP-IC |
Warranty | 10 Year Limited |
More information #ad
4. X-Sense
#ad
Compliant with UL 217 & UL 2034 Standards, X-Sense 10-Year Battery Not Hardwired Combination Smoke & Carbon Monoxide Alarm Detector with LCD Display, SC07
#adX-Sense #ad - Large lcd display: clearly displays battery level and the real-time CO levels in PPM parts per million taken from the surrounding air, with an updated measurement taken every 10 seconds. Accurate, reliable & highly sensitive: the x-sense combination smoke and co alarm has been redesigned from the inside out; it will ensure that smoke triggers the alarm instead of interference by taking 3 separate smoke samples from the surrounding air; a full 360° ring of air intakes ensures complete detection with no blind spots.Built-in 10-year battery: provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries or wonder if your alarm is still functioning.
More information #ad
2-in-1 protection: equipped with both photoelectric and electrochemical CO sensors that work independently of each other; 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. Assured quality: approved by the etl and meets the ul 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Led indicator: clearly informs you of the working status of the alarm with its 3-color flashing LED indicator green LED indicates normal operation, and yellow LED indicates a fault, red LED indicates the alarm status, ensuring the safety and security of your home 24/7.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Weight | 0.71 Pounds |
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
5. Kidde
#ad
Voice Alert, Interconnect Combination Smoke & CO Alarm with Battery Backup, Hardwired, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models. Protects during a power failure - combo smoke and co detector operates on a 120VAC power source with 2-AA battery backup.Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Temperature Range-40˚F 4. 4˚c to 100˚f 37.
More information #ad
8˚c. Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Ul certified, 10-year limited warranty. 120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Fire & co detector in 1 unit with alert modes, led lights, "Warning! Carbon Monoxide!", & voice alarm, "Fire! Fire!", that states, or "Low Battery!".Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 6 Inches |
Part Number | 21026041 |
Model | KN-COSM-IBA |
Warranty | 10 Year Limited |
More information #ad
6. X-Sense
#ad
10-Year Battery-Operated Dual Sensor Fire & CO Alarm, X-Sense 2-in-1 Smoke and Carbon Monoxide Detector Alarm Not Hardwired, Compliant with UL 217 & UL 2034 Standards, SC06
#adX-Sense #ad - 10-year battery-operated smoke and co alarm: a sealed lithium battery enables the unit to keep you and your family safe and sound for up to a decade with no need to replace batteries frequently; a low battery warning lets you know the unit is coming to its end of life.Premium quality: made from a premium pc material, ensuring exceptional quality and protection; approved by the ETL and meets the UL 217 and UL 2034 safety standards;comes with a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support.
More information #ad
Simple installation & operation: this battery-operated unit can be installed quickly and effortlessly without an electrician; one-button operation allows you to test and silence the alarm with ease. Combination smoke and carbon monoxide Alarm: One alarm to protect against 2 deadly threats, including smoke and carbon monoxide; accurately detects carbon monoxide from any potential source. Faster response to dangers with loud 85 dB Alarm: Upgraded photoelectric and electrochemical sensors significantly increase the sensitivity of the alarm for a faster response time while minimizing false alarms.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Weight | 2.9 Pounds |
Width | 5.7 Inches |
Model | SC06 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
7. FIRST ALERT
#ad
First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup , White
#adFIRST ALERT #ad - Features electrochemical carbon monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that enhances detection with 360 degree access and reliably detects smoke from smoldering fires.Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. Rigorously tested to meet UL standards. In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues.
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. 10 year limited warranty; equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2 Inches |
Length | 5 Inches |
Weight | 0.7 Pounds |
Width | 5 Inches |
Part Number | SC7010B |
Model | SC7010B |
Warranty | 7 Year Limited Warranty |
More information #ad
8. First Alert
#ad
First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery
#adFirst Alert #ad - S. Rigorously tested to meet UL standards. 10-year limited ; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for your safety the date printed on the item is the manufacturing date, not the expiration date.Complies with all current 10 year legislation in U. 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
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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. A loud 85 decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise. States/cities where required. Features a sleek, low profile design to blend more fully into the wall and out of sight.
Brand | First Alert #ad |
Manufacturer | First Alert #ad |
Height | 0.96 Inches |
Length | 4.92 Inches |
Weight | 1.4 Pounds |
Width | 4.92 Inches |
Part Number | PRC710 |
Model | PRC710 |
More information #ad
9. FIRST ALERT
#ad
Battery Operated, First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location
#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.One button silences a false alarm and tests the unit. Voice alarm gives clear indication of where the problem is located. Battery operated smoke and carbon monoxide alarm can be installed easily.
More information #ad
Connects multiple alarms together for wireless safety network. Features photoelectric smoke sensor and electrochemical CO sensor. Note: kindly refer to the user manual provided as a PDF manual in the product description section. Loud 85 decibel alarm.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2 Inches |
Length | 5 Inches |
Weight | 0.2 Pounds |
Width | 5 Inches |
Part Number | SCO500 |
Model | SCO500 |
Warranty | 7 Year |
More information #ad
10. ALERT PRO
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Smoke and CO Alarm Detector Combo Unit Battery Operated
#adALERT PRO #ad - Smoke detector and Carbon Monoxide Detector Alarm Combo Unit. Unit comes with with Long Live Batteries. When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.More information #ad
5 year Waranty. Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive. This smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, or you are in the barbecue time, bedroom, bathroom, hotel, .Brand | ALERT PRO #ad |
Manufacturer | Siterwell Electronics Co Ltd #ad |
Part Number | GS508C |
Model | GS517 |
More information #ad