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Led - green led flashes every 30 seconds to indicate the unit is operating properly. Self activation – Alarm automatically activates when attached to the mounting bracket. Test/reset button – tests the unit for proper operation.
One quick beep every 60 seconds is an indication of low battery power. Resets the Carbon Monoxide Alarm. Amber led flashes every second to indicate the unit is in fault mode. Eliminates worry about battery removal or unauthorized deactivation of alarm. One quick beep every 30 seconds alerts the unit is in error condition. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after.

Pls kindly press if false 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 fires, and 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.
If any problem, contact with us without hesitation, we will reply to you asap. Loud 85-decibel alarm is designed 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. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dBA at 1 meters.


Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon monoxide measured.
Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.

Alarm types for more convenient: different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1. 5 seconds and the red led flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5.
Simple to use: the test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, an alarm tone of over 85 dB will instantly alert the entire household, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, even those in sleep. Easy installation with quality: x-sense smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support.


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: provides 10 years of continuous power with a built-in lithium battery; saves you from battery replacement. Simple installation: requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.


Rigorously tested to meet UL standards, Emits T3 pattern. 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. 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.
1. Kidde
#ad
Kidde Worry-Free Carbon Monoxide Detector Alarm with 10 Year Sealed Battery | Model C3010
#adKidde #ad - Red led when a dangerous level of carbon monoxide is detected the red Led will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red Led flash.Led - green led flashes every 30 seconds to indicate the unit is operating properly. Self activation – Alarm automatically activates when attached to the mounting bracket. Test/reset button – tests the unit for proper operation.
More information #ad
Sealed-in lithium battery – sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Event memory – red led flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days. One quick beep every 60 seconds is an indication of low battery power. Resets the Carbon Monoxide Alarm. Amber led flashes every second to indicate the unit is in fault mode. Eliminates worry about battery removal or unauthorized deactivation of alarm. One quick beep every 30 seconds alerts the unit is in error condition. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after.
Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 2.75 Inches |
Length | 4.5 Inches |
Weight | 0.48 Pounds |
Width | 1.5 Inches |
Part Number | 21010045 |
Model | 21010045 |
Warranty | 10 year limited warranty |
More information #ad
2. Lecoolife
#ad
Portable Fire Co Alarm for Home and Kitchen, 10 Year Battery Operated Smoke and Carbon Monoxide Detector
#adLecoolife #ad - No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included. 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.Pls kindly press if false 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 fires, and 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.
More information #ad
Easy install and use: the alarm can easily install with mounting bracket. If any problem, contact with us without hesitation, we will reply to you asap. Loud 85-decibel alarm is designed 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. Test/silence button: tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dBA at 1 meters.
Brand | Lecoolife #ad |
Manufacturer | Lecoolife #ad |
Model | GS811-A |
More information #ad
3. Kidde
#ad
CO Alarm, Kidde Carbon Monoxide Detector, Battery Powered with LED Lights
#adKidde #ad - Protects during a power failure - operates on 2-AA batteries, included with pack. Sophisticated electronic components to protect you & your family from the dangers of carbon monoxide, 85 decibel alarm alerts of fire.More information #ad
Ul certified, 10-year limited warranty. Co detector with alert modes & LED lights that pulse for power, CO detection, & low battery. Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 11 Inches |
Length | 3 Inches |
Weight | 0.5 Pounds |
Width | 7 Inches |
Part Number | KN-COB-LP2 9CO5-LP2 |
Model | KN-COB-LP2 9CO5-LP2 |
Warranty | 10-Year warranty: Consult User Guide for more information. |
More information #ad
4. FIRST ALERT
#ad
First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display
#adFIRST ALERT #ad - Built-in 10-year lithium battery offers continuous protection for the life of the carbon monoxide detector. A loud 85-decibel alarm sounds when CO levels reach dangerous levels. All first alert cO alarms are rigorously tested to meet UL standards.Easy-to-read backlit digital display shows temperature and CO concentration; Peak Level feature displays the highest concentration of carbon monoxide measured.
More information #ad
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. Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 2.63 Inches |
Length | 0.94 Inches |
Weight | 0.5 Pounds |
Width | 4.75 Inches |
Part Number | CO710 |
Model | CO710 |
More information #ad
5. X-Sense
#ad
Auto-Check, SC03, X-Sense 10-Year Battery Not Hardwired Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards
#adX-Sense #ad - 10-year battery life: this combination smoke alarm and carbon monoxide 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. 8 seconds and the red LED flashes with the alarm sound.Alarm types for more convenient: different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1. 5 seconds and the red led flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5.
More information #ad
High accuracy and sensitivity: x-sense carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit. Simple to use: the test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, an alarm tone of over 85 dB will instantly alert the entire household, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, even those in sleep. Easy installation with quality: x-sense smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 2 Inches |
Length | 5.7 Inches |
Weight | 0.68 Pounds |
Width | 5.7 Inches |
Part Number | SC03 |
Model | SC03 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
6. Kidde
#ad
CO Alarm, Kidde Carbon Monoxide Detector with Digital Display & LED Lights
#adKidde #ad - Co detector with alert modes & 2 LED lights that pulse for power & CO detection. Protects during a power failure - CO detector operates on 3-AA batteries. Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm.More information #ad
Ul certified, 10-year limited warranty. Easy to read digital display - allows for easy viewing of carbon monoxide levels.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 2.75 Inches |
Length | 4.5 Inches |
Weight | 0.01 Pounds |
Width | 1.5 Inches |
Part Number | 21008873 |
Model | KN-COPP-B-LPM |
Warranty | 10 Year Limited |
More information #ad
7. Elvicto
#ad
3 Pack 10 Year Battery Operated Smoke Detector and Carbon Monoxide Detector, Travel Portable Photoelectric Fire Co Alarm for Home, Kitchen
#adElvicto #ad - No hardwired anymore. Environment friendly, without smell, radiation or harm. Low battery signal: low battery voltage signal and end of life warning ensures the co detector can work normal. 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.It can keep you and your family safe at any time.
More information #ad
Test/slience 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. 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 | Elvicto #ad |
Manufacturer | Elvicto #ad |
Model | GS811-A |
More information #ad
8. X-Sense
#ad
Auto-Check, X-Sense 10 Year Battery Not Hardwired Smoke and Carbon Monoxide Detector with LCD Display, SC01, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards
#adX-Sense #ad - Assured quality: we offer a 60-day money-back guarantee, a 5-year warranty, and lifetime customer support. Etl certified: meets the ul 217 & ul 2034 safety standards for your peace of mind and absolute confidence in our product.10-year battery: provides 10 years of continuous power with a built-in lithium battery; saves you from battery replacement. Simple installation: requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs.
More information #ad
2-in-1 protection: equipped with both photoelectric smoke sensor and electrochemical CO sensor that both detect smoke and dangerous CO levels. Informative lcd: clearly indicates real-time carbon monoxide CO levels in the surrounding air, as well as its battery level and working status.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 | SC01-1-5 |
Model | SC01 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
9. Kidde
#ad
KN-COP-DP2, Plug In with Battery Backup, Kidde Carbon Monoxide Detector, CO Detector
#adKidde #ad - Whole home family protection - place 1 carbon monoxide detector on each level of your home & in your bedroom to protect from poisonous gases. Easy & quick installation - plugs directly into your home's standard wall outlet, 85 decibel alarm alerts of fire.More information #ad
Co detector that alerts with a warning signal against dangerous levels of carbon monoxide in your home. Protects during a power failure - 2-AA batteries, included with pack, provide backup service in the event of a power outage. Ul certified, 10-year limited warranty.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 4.5 Inches |
Length | 2.75 Inches |
Weight | 0.04 Pounds |
Width | 1.5 Inches |
Part Number | 900-0263 |
Model | KN-COB-DP2 |
More information #ad
10. FIRST ALERT
#ad
First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide CO Detector with 10 Year Sealed Battery Backup
#adFIRST ALERT #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. 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.Rigorously tested to meet UL standards, Emits T3 pattern. 10-year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety.
More information #ad
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering. 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 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.
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