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Etl listed: this smoke and carbon monoxide detector has been approved by the ETL and meets UL 217 and UL 2034 safety standards.
Assured after-sales services: x-sense offers a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Combination alarm with co readings: the informative LCD will show you the battery level and real-time CO levels in PPM parts per million.

Carbon Monoxide. That states, "Fire. Protects during a power failure - combo smoke and CO alarm operates on a sealed, lithium battery.

Rigorously tested to meet UL standards. 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. S. 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.

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.

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. 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.

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. Test or mute your alarms by simply pressing a button using a long stick rather than a ladder.
Built-in 10-year battery: built-in 10-year lithium battery spares you the hassle of frequent battery changes; Provides uninterrupted 24/7 protection. Automatic self-check: the smoke and CO detector automatically checks battery level and sensors every 60 seconds to ensure they are working properly.


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.
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. Test/slience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm.

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. 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. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm. Environment friendly, contact with us without hesitation, without smell radiation or harm. If any problem, we will reply to you asap.

Test & hush button - quickly silence false alarms and easily test the unit to make sure the carbon monoxide smoke detector combo is operating. Smoke and carbon monoxide detector in one unit - saves time, money, and space.
1. X-Sense
#ad
X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display
#adX-Sense #ad - Simple installation: requires no rewiring; easy to mount this smoke and carbon monoxide alarm on any wall or ceiling with the included mounting bracket, screws, and anchor plugs. 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.Etl listed: this smoke and carbon monoxide detector has been approved by the ETL and meets UL 217 and UL 2034 safety standards.
More information #ad
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. Assured after-sales services: x-sense offers a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Combination alarm with co readings: the informative LCD will show you the battery level and real-time CO levels in PPM parts per million.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
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
2. Kidde
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Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm with Voice Alert, Lithium Battery Powered
#adKidde #ad - Ul certified, 10-year limited warranty. 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.Carbon Monoxide. That states, "Fire. Protects during a power failure - combo smoke and CO alarm operates on a sealed, lithium battery.
More information #ad
Fire. And voice alarm, 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. Fire and co detector in 1 unit with alert modes, led lights, "Warning.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
3. First Alert
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White, First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery
#adFirst Alert #ad - Features a sleek, low profile design to blend more fully into the wall and out of sight. 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.Rigorously tested to meet UL standards. 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
States/cities where required. Complies with all current 10 year legislation in U. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. S. 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.
Brand | First Alert #ad |
Manufacturer | First Alert #ad |
Height | 0.96 Inches |
Length | 4.92 Inches |
Weight | 0.6 Pounds |
Width | 4.92 Inches |
Part Number | PRC710 |
Model | PRC710 |
More information #ad
4. Kidde
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Hardwired with Lithium Battery Backup, Kidde Smoke & Carbon Monoxide Detector, Voice Warning
#adKidde #ad - Hardwired alarm with tamper proof backup battery – to help protect your home and family during power outages, eliminates the need for battery replacement.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.
More information #ad
85db alarm & voice warnings – “fire. Or “warning: carbon monoxide” so you know why the smoke & carbon monoxide detector is sounding. Interconnect alarms – allows you to connect up to 24 Kidde devices of this type, giving you trusted detection throughout your home.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.5 Inches |
Length | 5.5 Inches |
Weight | 1 Pounds |
Width | 1.5 Inches |
Part Number | 21029756 |
Model | i12010SCO |
Warranty | 10 year limited warranty |
More information #ad
5. 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 - It can keep you and your family safe at any time. Test/sience button: tests the unit for proper operation and resets the carbon monoxide alarm, Alarm. 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
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. 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. 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.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Part Number | GS811-A |
Model | 81 |
More information #ad
6. HATHEPHS
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Combination Smoke and Carbon Monoxide Detector Alarm 10 Year Battery, Auto-Check, HATHEPHS Ultra-Thin Dual Sensor Fire & CO Alarm Detector with Large Test/Silence Button
#adHATHEPHS #ad - Ultra-thin design & large button: this device only measures 4. 7 × 1. 1 in and comes in a thin and light design. 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.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. Test or mute your alarms by simply pressing a button using a long stick rather than a ladder.
More information #ad
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. High sensitivity & accuracy: Upgraded photoelectric and electrochemical sensors significantly improve alarm sensitivity, thus speeding up response time while minimizing false alarms. Built-in 10-year battery: built-in 10-year lithium battery spares you the hassle of frequent battery changes; Provides uninterrupted 24/7 protection. Automatic self-check: the smoke and CO detector automatically checks battery level and sensors every 60 seconds to ensure they are working properly.
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
7. Kidde
#ad
Voice Alert, Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm, Battery Powered
#adKidde #ad - Fire and co detector in 1 unit with alert modes, "warning. Carbon Monoxide. That states, "Fire. Fire. And voice alarm, LED lights, 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.More information #ad
Ul certified, 10-year limited warranty. Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire. Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
8. Lecoolife
#ad
3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector, Kitchen, Travel Portable Photoelectric Fire Co Alarm for Home
#adLecoolife #ad - Practical lcd display: clearly indicates real-time carbon monoxide co concentration in the surrounding air, the screen will be backlit blue, 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, and the LED indicator will flash red 4 times every 5.8 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.
More information #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. 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
9. Lecoolife
#ad
Portable Fire Co Alarm for Home and Kitchen White, 2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector
#adLecoolife #ad - Pls kindly press if false alarm. 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.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.
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. Loud 85-decibel alarm is desianed to be heard easily. 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. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm. Environment friendly, contact with us without hesitation, without smell radiation or harm. If any problem, we will reply to you asap.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS528A |
More information #ad
10. Kidde
#ad
Kidde Kitchen Smoke Detector & Carbon Monoxide Detector Combo with Long-Life Lithium Battery
#adKidde #ad - Photoelectric & electrochemical sensing technology work together to reduce false alarms from things like routine cooking - perfect for the kitchen.Test & hush button - quickly silence false alarms and easily test the unit to make sure the carbon monoxide smoke detector combo is operating. Smoke and carbon monoxide detector in one unit - saves time, money, and space.
More information #ad
Easy to install - automatically activates when attached to mounting bracket. 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. 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