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Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
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. Features a sleek, low profile design to blend more fully into the wall and out of sight. S.

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.


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.
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.

Alarm volume:loud>85dBA at 1 meters. 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.
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. 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. Pls kindly press if false alarm.

10-year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for 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.
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 safer with this hardwired smoke and carbon monoxide alarm; The 10 year battery backup means constant monitoring for the life of the alarm even if there's a power failure, Single button test/silence.



Advanced technology – smoke and carbon monoxide detector combines ionization & electrochemical sensors to detect invisible fire particles & CO gas. Interconnect alarms – allows you to connect up to 24 Kidde devices of this type, giving you trusted detection throughout your home.

High sensitivity & accuracy: Upgraded photoelectric and electrochemical sensors significantly improve alarm sensitivity, thus speeding up response time while minimizing false alarms.
Quick installation: easy to install this smoke detector carbon monoxide detector combo with the provided adhesive tape or screws, without the need to hire an electrician. 90 days full refund or replacement: not satisfied with our product? Return it to us within 90 days and get 100% of your money back! We also provide a 5-year warranty. Built-in 10-year battery: built-in 10-year lithium battery spares you the hassle of frequent battery changes; Provides uninterrupted 24/7 protection.
1. First Alert
#ad
White, First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery
#adFirst Alert #ad - Complies with all current 10 year legislation in U. A loud 85 decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise. 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.Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
More information #ad
States/cities where required. 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. 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. Features a sleek, low profile design to blend more fully into the wall and out of sight. S.
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
2. Kidde
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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.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
Smoke and carbon monoxide detector in one unit - saves time, money, and space. 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
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 - Combination alarm with co readings: the informative LCD will show you the battery level and real-time CO levels in PPM parts per million. 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.More information #ad
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 | Smoke and Carbon Monoxide Detector |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
4. Lecoolife
#ad
3 Pack Photoelectric Smoke and Carbon Monoxide Detector, Smoke Alarm Sealed-in 10 Year Lithium Battery-Operated White
#adLecoolife #ad - Test/sience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal. No hardwired anymore.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.
More information #ad
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. 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.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Part Number | GS811-A |
Model | 81 |
More information #ad
5. 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 - Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm. Environment friendly, without smell radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap. Safety and 5 year warranty: low battery sianal alarm and "end of life"warning ensures the detector can work normal.Alarm volume:loud>85dBA at 1 meters. 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
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. 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. Pls kindly press if false alarm.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS528A |
More information #ad
6. FIRST ALERT
#ad
White, First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide CO Detector with 10 Year Sealed Battery Backup
#adFIRST ALERT #ad - Rigorously tested to meet UL standards, Emits T3 pattern. Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.10-year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for 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.
More information #ad
Features an electrochemical carbon monoxide sensing technology as well as intelligent smoke sensing technology to reduce nuisance alarms; Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation. 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 safer with this hardwired smoke and carbon monoxide alarm; The 10 year battery backup means constant monitoring for the life of the alarm even if there's a power failure, Single button test/silence.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5.69 Inches |
Length | 5.59 Inches |
Weight | 0.68 Pounds |
Width | 2.25 Inches |
Part Number | SC9120LBL |
Model | BRK SC9120LBL |
Warranty | 7 |
More information #ad
7. Lecoolife
#ad
3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home, Kitchen
#adLecoolife #ad - Arranty and service: our products provide after-sales service. If you have any questions about our products, you can contact us, we will reply to you as soon as possible within 24 hours. Battery-operated unit installs quickly and easily without an electrician,A single button tests the unit or silences the alarm.More information #ad
Photoelectric sensor detects smoke while minimizing false alarms. Low battery signal mute, quiets low battery signal for up to 8 hours. Electrochemical CO sensor alerts you to carbon monoxide danger. Combo smoke detector/carbon monoxide alarm detects two threats.Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS811-A |
More information #ad
8. Kidde
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Voice Alert, Interconnect Combination Smoke & CO Alarm, Kidde Smoke & Carbon Monoxide Detector, Pack of 2, Battery Powered
#adKidde #ad - Ul certified, 10-year limited warranty. Ionization sensor technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. 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, that states, "Warning Carbon Monoxide", LED lights, "Fire", & voice alarm, or "Low Battery".Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 5.6 Inches |
Length | 2.64 Inches |
Weight | 0.82 Pounds |
Width | 1.8 Inches |
Part Number | 900-0102A |
Model | KN-COSM-BA |
Warranty | 10 year limited manufacturer |
More information #ad
9. Kidde
#ad
Kidde Smoke & Carbon Monoxide Detector, Hardwired with Lithium Battery Backup, Voice Warning
#adKidde #ad - Ul certified, 10-year limited warranty. Hush feature silences nuisance or “false” alarms – with just the push of a button on the alarm itself.Advanced technology – smoke and carbon monoxide detector combines ionization & electrochemical sensors to detect invisible fire particles & CO gas. Interconnect alarms – allows you to connect up to 24 Kidde devices of this type, giving you trusted detection throughout your home.
More information #ad
85db alarm & voice warnings – “fire. Or “warning: carbon monoxide” so you know why the smoke & carbon monoxide detector is sounding. Hardwired alarm with tamper proof backup battery – to help protect your home and family during power outages, eliminates the need for battery replacement.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.5 Inches |
Length | 5.5 Inches |
Width | 1.5 Inches |
Part Number | 21029756 |
Model | i12010SCO |
Warranty | 10 year limited warranty |
More information #ad
10. HATHEPHS
#ad
Hathephs 10 Year Battery Ultra-Thin Photoelectric Smoke Alarm and CO Detector with Large Test/Silence Button, Smoke Detector Carbon Monoxide Detector Combo
#adHATHEPHS #ad - Activate before using: press and hold the test/silence button for 10 seconds until the led indicator lights up, then release the button. Test or mute your alarm by simply pressing the button using a long stick rather than a ladder. 2-in-1 protection: equipped with an electro-optical smoke sensor and an electrochemical CO sensor to protect your home from 2 potentially deadly threats.High sensitivity & accuracy: Upgraded photoelectric and electrochemical sensors significantly improve alarm sensitivity, thus speeding up response time while minimizing false alarms.
More information #ad
Portable design also suits for travel. The alarm will generate a beep to indicate activation succeed. Ultra-thin design & large button: this device measures only 1. 1 in thickness. Automatic self-check: the smoke and CO detector automatically checks battery level and sensors every 60 seconds to ensure they are working properly. Quick installation: easy to install this smoke detector carbon monoxide detector combo with the provided adhesive tape or screws, without the need to hire an electrician. 90 days full refund or replacement: not satisfied with our product? Return it to us within 90 days and get 100% of your money back! We also provide a 5-year warranty. Built-in 10-year battery: built-in 10-year lithium battery spares you the hassle of frequent battery changes; Provides uninterrupted 24/7 protection.
Brand | HATHEPHS #ad |
Manufacturer | HATHEPHS #ad |
Height | 1.1 Inches |
Length | 4.7 Inches |
Width | 4.7 Inches |
Part Number | CS01 |
Model | CS01 |
Warranty | 90-day money-back guarantee and 5-year warranty |
More information #ad