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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.

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. We provide a 12-month worry-Free Refund Guarantee and a 5-Year Warranty.


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.
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. 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.

Application co detector place: this carbon monoxide detector suitable for all place where it is possible to produce carbon monoxide, hotel, bathroom, such as your home kitchen, or you are in the barbecue time, bedroom, your parking garage.
2-in-1 accurate, reliable & highly sensitive alarm: Combination smoke detector and carbon monoxide detector can sensitively detect the threat of these two gases. Energy saving: operated by 3 aaa batteries, You can hear the alarm when the power is low, don't worry about when to replace the battery.

End of life signal provides Audible Notice When Alarm Needs to be Replaced. Electrochemical CO Sensor is the most accurate technology available. Latching alarm indicator remembers which unit initiated an alarm. It can ship within the US except New York and California.


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. 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.

Smoke & co detector in 1 unit - with alert modes, led lights and voice alarm that announces "Fire! Fire!", "Warning! Carbon Monoxide!" or "Low Battery!". Ionization sensor technology - smoke detector senses invisible fire particles, loud 85 decibel alarm alerts of fire or smoke.

Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive. Battery operated device Can be easily installed and maintained without the need for an electrician.
1. X-Sense
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X-Sense 10-Year Battery Combination Smoke Carbon Monoxide Alarm Detector with Large LCD Display Standalone Model
#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.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
Informative lcd: displays real-time co levels from 30–999 ppm parts per million taken from the surrounding air, as well as battery level and working status. 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 |
Weight | 0.69 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
2. ARIKON
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Portable Smoke and Co Alarm for Home Bedroom Travel,Easy to Install, 3 Pack Combination Smoke Carbon Monoxide Alarm Detector Battery Operated
#adARIKON #ad - When there is a co concentration of 30-999ppm in the Air, the Screen Will Change To Blue Backlight And Display the Real-time Concentration. Photoelectric sensor detects smoke While Minimizing false alarms, Electrochemical CO Sensor Alerts you to Carbon Monoxide Danger.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. We provide a 12-month worry-Free Refund Guarantee and a 5-Year Warranty.
More information #ad
Combination smoke carbon monoxide alarm Detector Battery-operated Unit installs Quickly and Easily Without an Electrician, loud 85dB Decibel alarm. It can indicate the real-time carbon monoxide co concentration in the surrounding Air. 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.Brand | ARIKON #ad |
Manufacturer | TJTFJS #ad |
Height | 1.45 Inches |
Length | 4.17 Inches |
Width | 4.17 Inches |
Part Number | 494WWYKRWSHIS25 |
Model | 494WWYKRWSHIS25 |
More information #ad
3. Lecoolife
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Kitchen, 3 Pack Combination Smoke and Carbon Monoxide Detector Battery Operated, Travel Portable Photoelectric Fire&Co Alarm for Home
#adLecoolife #ad - Arranty and service: our products provide after-sales service. Low battery signal mute, quiets low battery signal for up to 8 hours. Combo smoke detector/carbon monoxide alarm detects two threats. Electrochemical CO sensor alerts you to carbon monoxide danger.More information #ad
If you have any questions about our products, you can contact us, we will reply to you as soon as possible within 24 hours. Photoelectric sensor detects smoke while minimizing false alarms. Battery-operated unit installs quickly and easily without an electrician,A single button tests the unit or silences the alarm.Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Part Number | GS528A |
Model | GS528A |
More information #ad
4. FIRST ALERT
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First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1 Pack, White
#adFIRST ALERT #ad - 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. Emits T3 Pattern. 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.
More information #ad
It can ship within the US except New York. Low battery signal mute, quiets low battery signal for up to 8 hours. Battery operated unit installs quickly and easily without an electrician. 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. 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.
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
5. Lecoolife
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Smoke Detector and Carbon Monoxide Detector Battery Powered with Test/Reset Button 2 Pack
#adLecoolife #ad - Sound and light alarm: when a dangerous level of carbon monoxide is detected, the red light will flashes and a loud alarm pattern will sound-Loud 85 decibel carbon monoxide alarm with red light flash to protect your family's life and property safety from CO detector.Application co detector place: this carbon monoxide detector suitable for all place where it is possible to produce carbon monoxide, hotel, bathroom, such as your home kitchen, or you are in the barbecue time, bedroom, your parking garage.
More information #ad
Quick easy installation: requires no rewiring, easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs. 2-in-1 accurate, reliable & highly sensitive alarm: Combination smoke detector and carbon monoxide detector can sensitively detect the threat of these two gases. Energy saving: operated by 3 aaa batteries, You can hear the alarm when the power is low, don't worry about when to replace the battery.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Height | 4 Inches |
Length | 5 Inches |
Width | 5 Inches |
Part Number | GS528A |
Model | GS528A |
More information #ad
6. FIRST ALERT
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White, First Alert BRK SCO2B Smoke and Carbon Monoxide CO Detector with 9V Battery
#adFIRST ALERT #ad - Two locking features Pins Lock Battery Drawer and/or Alarm to Base. Separate smoke and co detects both dangers and eliminates the need for two separate alarms.End of life signal provides Audible Notice When Alarm Needs to be Replaced. Electrochemical CO Sensor is the most accurate technology available. Latching alarm indicator remembers which unit initiated an alarm. It can ship within the US except New York and California.
More information #ad
Separate smoke and CO detects both dangers and eliminates the need for two separate alarms. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Electrochemical co sensor is the most accurate technology available. Latching alarm indicator Remembers Which Unit Initiated an Alarm.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2 Inches |
Length | 5.6 Inches |
Weight | 0.59 Pounds |
Width | 5.6 Inches |
Part Number | SC02B |
Model | SCO2B |
Warranty | 7 Year Limited Warranty |
More information #ad
7. JNHCD
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Dual Alarm Sensor of Smoke and CO,Easy to Install, 3 Pack Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display
#adJNHCD #ad - Built-in electrochemical sensor with High Accuracy and Infrared Photoelectric Sensor Helping to Reduce False Alarms. 5 year manufacturer’s Warranty. Carbon monoxide detector and Smoke Alarm Providing Whole-day Protection.More information #ad
Battery-powered unit Can be Installed Quickly and Easily without an Electrician. Smoke and carbon monoxide detector offering excellent security: Making a Loud Alarm 85 dB When It Detects a Buildup of Smoke or Carbon Monoxide, and Instantly Alert Those In Danger.Brand | JNHCD #ad |
Manufacturer | JNHCD #ad |
Part Number | C-00908 |
Model | C-00908 |
More information #ad
8. FIRST ALERT
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FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup, 1 pack , White
#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 hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.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 an ionization sensor for smoke detection. 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. 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. 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.
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 | 10 Year Limited |
More information #ad
9. Kidde
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Voice Alert, Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm, Battery Powered
#adKidde #ad - Easy installation & front-load battery door makes it simple to replace the batteries without disconnecting the alarm. Tamper-resistant design - deters removal of the carbon monoxide smoke detector combo from the ceiling.Smoke & co detector in 1 unit - with alert modes, led lights and voice alarm that announces "Fire! Fire!", "Warning! Carbon Monoxide!" or "Low Battery!". Ionization sensor technology - smoke detector senses invisible fire particles, loud 85 decibel alarm alerts of fire or smoke.
More information #ad
Ul certified, 10-year limited warranty. Test/hush with a simple button push - easily test the unit or silence false alarms that can occur from routine cooking, shower steam, dust or humidity. Reliable detection during a power failure - carbon monoxide detector and smoke alarm combo operates on 2-AA batteries.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Weight | 0.8 Pounds |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
10. BQQZHZ
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3 Pack Combination Smoke and Carbon Monoxide Detector Alarm Digital Display for Travel Home Bedroom and Kitchen 9V Battery Operated White YJ-00903B
#adBQQZHZ #ad - Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive. Battery operated device Can be easily installed and maintained without the need for an electrician.
More information #ad
When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered. 2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.Brand | BQQZHZ #ad |
Manufacturer | BQQZHZ #ad |
Height | 1.5 Inches |
Length | 4.5 Inches |
Width | 4.5 Inches |
Part Number | YJ-00903 |
Model | YJ-00903 |
More information #ad