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The 85-decibel alarm 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.
Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home. 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.


Interconnects up to 24 units for full coverage: you can connect up to 24 X-Sense 2-in-1 hardwired alarm, so when one alarm is triggered, all will sound together throughout your home.
Premium quality: made from high-quality materials and components, this hardwired combination alarm offers a long lifespan of up to 10 years.


Alarm memory - the green led will blink once every 16 seconds to alert a user when the unit has alarmed for smoke or has detected a concentration of CO. Fire warning - the red led will flash and be accompanied by three long alarm beeps followed by a verbal warning message “Fire Fire” The alarm will repeat pattern until unit is reset or smoke is eliminated.
Low battery warning - one chirp followed by warning “low battery”. Voice warning with green and red LEDs. After the first hour the red LED light will flash once every minute accompanied by the chirp sound. Photoelectric smoke sensor – May detect visible fire particles associated with slow smoldering fires sooner than an ionization sensor. Tamper resistant. Ac-wire with battery backup, An included 9V battery protects during short-term power outages.

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.
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.

This product will automatically detect these two harmful substances every 8 seconds. The led indicator flashes every 30 seconds. Higher safety stability. Among them, photoelectric sensing technology is more accurate for visible smoke recognition.
High quality sensors: we use high quality photoelectric sensors and electrochemical carbon monoxide sensors. Combined smoke and carbon monoxide alarm detector: both smoke from fire and excessive carbon monoxide threaten our lives. Very intuitive to see the alarm status. Quality service: you have any questions about our fire & CO alarms, feel free to contact us.

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. In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues.
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. 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.
Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire. Keep your family safe with this 3-pack of hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a power failure.
1. FIRST ALERT
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FIRST ALERT BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector
#adFIRST ALERT #ad - Keep your family safe with this talking hardwired smoke and carbon monoxide alarm; It's equipped with voice and location, so you are alerted of the danger and where it originates from across your house. 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.The 85-decibel alarm 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.
More information #ad
Rigorously tested to meet UL standards. 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. Note: kindly refer to the user manual provided as a PDF manual in the product description section. Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home. 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.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert / BRK Brands, Inc. #ad |
Height | 5.13 Inches |
Length | 5.13 Inches |
Weight | 0.7 Pounds |
Width | 2.38 Inches |
Part Number | SC7010BV |
Model | SC7010BV |
Warranty | 10 year |
More information #ad
2. Kidde
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Voice Alert, Interconnect Combination Smoke & CO Alarm with Battery Backup, Hardwired, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire. Fire & co detector in 1 unit with alert modes, "fire! fire!", that states, LED lights, "Warning! Carbon Monoxide!", & voice alarm, or "Low Battery!".More information #ad
Ul certified, 10-year limited warranty. Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup. Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 1.85 Inches |
Length | 5.79 Inches |
Weight | 0.7 Pounds |
Width | 5.79 Inches |
Part Number | 21029735 |
Model | KN-COPE-IC |
Warranty | 7 year limited |
More information #ad
3. X-Sense
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Pack of 3, XP04, X-Sense Hardwired Combination Smoke and Carbon Monoxide Detector, Hardwired Interconnected Smoke and CO Detector Alarm with Replaceable Battery Backup
#adX-Sense #ad - Easy installation: All mounting hardware is included for fast and simple installation in minutes. More accurate with intelligent technology: this hardwired smoke and carbon monoxide detector combines an advanced photoelectric smoke sensor and a Figaro electrochemical CO sensor to detect smoke from smoldering fires and dangerous CO levels quickly.Interconnects up to 24 units for full coverage: you can connect up to 24 X-Sense 2-in-1 hardwired alarm, so when one alarm is triggered, all will sound together throughout your home.
More information #ad
Hardwired alarm with replaceable battery backup: this combination smoke and carbon monoxide detector is AC hardwired with a 9 V battery backup, so the alarm can continuously monitor for smoke and CO even if there is a power outage. Premium quality: made from high-quality materials and components, this hardwired combination alarm offers a long lifespan of up to 10 years.
Brand | X-Sense #ad |
Manufacturer | X-Sense #ad |
Height | 1.5 Inches |
Length | 5.5 Inches |
Weight | 0.5 Pounds |
Width | 5.5 Inches |
Part Number | XP04 |
Model | XP04 |
Warranty | 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support |
More information #ad
4. FIRST ALERT
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6-Pack , First Alert BRK 7010BFF-6 Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, White
#adFIRST ALERT #ad - Inter-connectable with BRK and First Alert hardwired smoke and Carbon monoxide alarms. Intuitive latching alarm indicator identifies which unit triggered alarm. 6 pack of 120-volt hardwire smoke alarms with photoelectric sensor and battery backup.More information #ad
Backed by 10-year limited and tested to meet UL 217 standards. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 85 decibel alarm. Features convenient 9 volt battery backup, dust cover, silence/test button, 85-decibel alarm.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 16.5 Inches |
Length | 6 Inches |
Weight | 0.7 Pounds |
Width | 5 Inches |
Part Number | 7010BFF-6 |
Model | 7010BFF-6 |
More information #ad
5. Kidde
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Kidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector Alarm | Hardwired with Battery Backup | Model # KN-COPE-IC
#adKidde #ad - If the alarm has detected abnormal levels of smoke since its last test, it will produce three rapid beeps. Voice hush indication: “hush activated” and “Hush cancelled” voice announcement. If the alarm has detected a co level of 100ppm or greater, when the test/reset button is pressed the unit will announce “CO previously detected”.Alarm memory - the green led will blink once every 16 seconds to alert a user when the unit has alarmed for smoke or has detected a concentration of CO. Fire warning - the red led will flash and be accompanied by three long alarm beeps followed by a verbal warning message “Fire Fire” The alarm will repeat pattern until unit is reset or smoke is eliminated.
More information #ad
The “low battery” warning will only sound once every fifteen minutes. Front-loading battery with unique battery door design. Low battery warning - one chirp followed by warning “low battery”. Voice warning with green and red LEDs. After the first hour the red LED light will flash once every minute accompanied by the chirp sound. Photoelectric smoke sensor – May detect visible fire particles associated with slow smoldering fires sooner than an ionization sensor. Tamper resistant. Ac-wire with battery backup, An included 9V battery protects during short-term power outages.
Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 1.85 Inches |
Length | 5.79 Inches |
Weight | 0.92 Pounds |
Width | 5.79 Inches |
Part Number | 21007624 |
Model | 21007624 |
Warranty | 7 year limited |
More information #ad
6. X-Sense
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X-Sense 10-Year Battery Not Hardwired Combination Smoke and Carbon Monoxide Detector Alarm, SC03, Auto-Check, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards
#adX-Sense #ad - 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. 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.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.
More information #ad
8 seconds and the red LED flashes with the alarm sound. Simple to use: the test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, 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, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep. 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.
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
7. PETRICOR
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Battery Operated. Home Fire & CO Alarms Detector Not Hardwired 1 Pack., PETRICOR Smoke and Carbon Monoxide Alarm Detector with Photoelectric Sensor, LCD Display
#adPETRICOR #ad - We will solve the problem as soon as possible to make you have a pleasant shopping experience. It can reduce false alarms during actual use and there is no radiation. Battery powered: petricor smoke and carbon monoxide alarms are battery powered Not Hardwired.This product will automatically detect these two harmful substances every 8 seconds. The led indicator flashes every 30 seconds. Higher safety stability. Among them, photoelectric sensing technology is more accurate for visible smoke recognition.
More information #ad
Once the hazard value reaches the level will emit a sound greater than 85DB to remind you to stay away from the danger. Green light means normal, yellow light means error and red light means alarm. It can be installed anywhere you need it: living room, basement, bedroom, utility room, garage, or even in your RV or camping. High quality sensors: we use high quality photoelectric sensors and electrochemical carbon monoxide sensors. Combined smoke and carbon monoxide alarm detector: both smoke from fire and excessive carbon monoxide threaten our lives. Very intuitive to see the alarm status. Quality service: you have any questions about our fire & CO alarms, feel free to contact us.
Brand | PETRICOR #ad |
Manufacturer | shenzhenshimengqihangkejiyouxiangongsi #ad |
Model | MQ-808 |
More information #ad
8. FIRST ALERT
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White, First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup
#adFIRST ALERT #ad - 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. 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. 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
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. 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. Rigorously tested to meet UL standards.
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
9. Kidde
#ad
Interconnect Combination Smoke & CO Alarm with Voice Alert, Kidde Smoke & Carbon Monoxide Detector, Hardwired with Lithium Battery Backup
#adKidde #ad - Photoelectric sensor technology - smoke detector detects visible 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 detector operates on a 120VAC power source with lithium battery backup. Fire & co detector in 1 unit with alert modes, led lights, & voice alarm, "Fire! Fire!", "Warning! Carbon Monoxide!", that states, or "Low Battery!". Ul certified, 10-year limited warranty.Brand | Kidde #ad |
Manufacturer | Kidde #ad |
Height | 5.59 Inches |
Length | 1.91 Inches |
Weight | 0.6 Pounds |
Width | 5.59 Inches |
Part Number | 21027323 |
Model | P4010ACSCO-W |
Warranty | 10 year limited |
More information #ad
10. FIRST ALERT
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FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup. 3-Pack , White
#adFIRST ALERT #ad - Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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.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.
More information #ad
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Dust cover. 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. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast-burning fire. Keep your family safe with this 3-pack of 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 | 2.2 Inches |
Length | 5.6 Inches |
Weight | 0.7 Pounds |
Width | 5.6 Inches |
Part Number | SC9120BFF-3 |
Model | BRK SC9120B-3 |
More information #ad