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Ul certified, 10-year limited warranty. Smart interconnect allows you to connect up to 24 Kidde devices, giving you trusted protection throughout your home. Led lights indicate the alarm's status, with a voice warning to indicate which type of threat is present; a Hush feature silences nuisance alarms, while the end-of-life alert lets you know when it's time to replace the unit.

Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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 an ionization sensor that detects the fine particles of a fast-burning fire.

Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering. 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.
10-year limited warranty; equipped with end-of-life signal chirp, so you know when it’s time to replace the unit for safety. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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. Rigorously tested to meet UL standards, Emits T3 pattern.

Ul certified, 10-year limited warranty. Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup.

Includes 10 year permanent power Alkaline Batteries. Alkaline batteries are safer and more eco-friendly dispose than lithium batteries. Provides temperature and humidity compensation.

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.
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, 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.


10-year battery and 10-year sensor: this smoke and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries; an end-of-life signal will let you know when it's time to replace the unit for safety.
Reliable and 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.

Certified to meet the ul 217 & ul 2034 safety standards for your peace of mind and absolute confidence in our product.
When the smoke alarm detects dangerous smoke, it will make more than 85dB alarm sound and the twinkling red LED indicator light at the same time; this alarm is sure to wake up you and your family, even when sound asleep. Support app connection: you need to purchase WiFi Base ASIN: B08PY7GP91 to connect to APP.

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.
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. 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.
1. Kidde
#ad
Hardwired with 10-Year Battery Backup, Voice Warning, Kidde Smoke & Carbon Monoxide Detector
#adKidde #ad - Hardwired alarm contains a 10-year tamper proof backup battery to protect your home and family during power outages, eliminates the need for battery replacement.Ul certified, 10-year limited warranty. Smart interconnect allows you to connect up to 24 Kidde devices, giving you trusted protection throughout your home. Led lights indicate the alarm's status, with a voice warning to indicate which type of threat is present; a Hush feature silences nuisance alarms, while the end-of-life alert lets you know when it's time to replace the unit.
More information #ad
Intelligent technology – smoke and carbon monoxide detector combines ionization & electrochemical sensors to detect invisible fire particles & CO gas; 85dB alarm and voice warning sound when hazard is detected.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
2. 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 - 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. Dust cover. 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.Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
More information #ad
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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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 an ionization sensor that detects the fine particles of a fast-burning fire.
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
3. FIRST ALERT
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First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide CO Detector with 10 Year Sealed Battery Backup , White
#adFIRST ALERT #ad - 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.Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering. 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.
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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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. Rigorously tested to meet UL standards, Emits T3 pattern.
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
4. Kidde
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Hardwired, Kidde Smoke & Carbon Monoxide Detector, Interconnect Combination Smoke & CO Alarm with Battery Backup, Voice Alert
#adKidde #ad - Meets safety standards set by Underwriters Laboratories UL and interconnects with other KN-COSM-IBA models. Test-hush feature - silences the unit for approximately 9 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling.Ul certified, 10-year limited warranty. Protects during a power failure - combo smoke and CO detector operates on a 120VAC power source with 2-AA battery backup.
More information #ad
120v ac, all kidde brand hard wired smoke alarms are interconnectable with the KN-COSM-IBA. Fire & co detector in 1 unit with alert modes, & voice alarm, that states, "Warning! Carbon Monoxide!", "Fire! Fire!", LED lights, or "Low Battery!". Ionization sensing technology - hardwired smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 1 Pounds |
Width | 6 Inches |
Part Number | 21026041 |
Model | KN-COSM-IBA |
Warranty | 10 Year Limited |
More information #ad
5. Universal Security Instruments
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Universal Security Instruments Hardwired 10 Year Tamper Proof Permanent Power Sealed Battery 3-in-1 Universal Smoke Sensing & Carbon Monoxide Combination Alarm, Model MIC1509S,white
#adUniversal Security Instruments #ad - Smart alarm technology provides peace of mind with this alarm — Fast-and-easy installation suitable for houses, apartments, dormitories and more.Includes 10 year permanent power Alkaline Batteries. Alkaline batteries are safer and more eco-friendly dispose than lithium batteries. Provides temperature and humidity compensation.
More information #ad
Comes with a ten-year limited warranty. Features microprocessor intelligence to virtually eliminate nuisance alarms. Features quick activation battery pull tab that makes the alarm easy to install while the deactivation key makes it the batteries safe for disposal. 3-in-1 smart alarm provides continuous, reliable protection.Brand | Universal Security Instruments #ad |
Manufacturer | Universal Security Instruments #ad |
Height | 5.75 Inches |
Length | 1.75 Inches |
Weight | 0.66 Pounds |
Width | 5.75 Inches |
Part Number | MIC1509S |
Model | MIC1509S |
Warranty | 10-Year Limited Warranty |
More information #ad
6. X-Sense
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Auto-Check, X-Sense 10-Year Battery Not Hardwired Combination Smoke and Carbon Monoxide Detector Alarm, SC03, 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. 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.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.
More information #ad
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. 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.
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. FIRST ALERT
#ad
First Alert BRK 7010BFF-6 Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, White, 6-Pack
#adFIRST ALERT #ad - 85 decibel alarm. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 6 pack of 120-volt hardwire smoke alarms with photoelectric sensor and battery backup. Features convenient 9 volt battery backup, dust cover, silence/test button, 85-decibel alarm.More information #ad
Inter-connectable with BRK and First Alert hardwired smoke and Carbon monoxide alarms. Backed by 10-year limited and tested to meet UL 217 standards. Intuitive latching alarm indicator identifies which unit triggered 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
8. ANKA
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Smoke and Carbon Monoxide Detector Alarm,10-Year Battery Not Hardwired,Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check,AJ-938
#adANKA #ad - Hush function: this smoke and carbon monoxide alarm fire alarm has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep. Quick and easy installation with guaranteed quality: requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL 217 & UL 2034 safety standards for your peace of mind and absolute confidence in our product.10-year battery and 10-year sensor: this smoke and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery, saving on energy while remaining eco-friendly; saves you from constantly having to change batteries; an end-of-life signal will let you know when it's time to replace the unit for safety.
More information #ad
Simple to use: test/silence button enables you to test the alarm weekly, an alarm tone of over 85 dB will sound throughout your entire home, instantly alerting 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. Reliable and 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.
Brand | ANKA #ad |
Manufacturer | HUIZHOU ANKA SCI-TECH CO., LIMITED #ad |
Height | 1.38 Inches |
Length | 5.31 Inches |
Width | 5.31 Inches |
Part Number | AJ-938 |
Model | AJ-938 |
More information #ad
9. MOSUO
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UL 217 & UL 2034 Standards, Not Hardwired, Dual Sensor Smoke CO Combo Alarm with Silence Function, Fire Alarm Smoke Detector with 10 Year Battery, Smoke Carbon Monoxide Detector Alarm
#adMOSUO #ad - Simple to use: the silence/test button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly. Easy install & high quality: this fire alarms smoke detectors can easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs, no hardwired need. Smart auto check: this carbon monoxide detector has been redesigned from the inside out, and it will confirm that smoke triggers the alarm instead of interference by taking 3 separate smoke samples, minimizing false alarms to avoid waking you from sleep.Certified to meet the ul 217 & ul 2034 safety standards for your peace of mind and absolute confidence in our product.
More information #ad
High accuracy & sensitivity: this smoke and carbon monoxide alarm Adopts the most advanced photoelectric sensor, enabling the alarm to quickly detect dangerous smoke levels from slow-burning, smoldering fires; provides the earliest possible warning of fire while minimizing false alarms. 10-year battery life:this combination smoke and carbon monoxide detector 10 years of continuous power with a built-in lithium battery; saving on energy while remaining eco-friendly; smoke and CO levels saves you from constantly having to change batteries; an end-of-life signal will let you know when it's time to replace the unit for safety. When the smoke alarm detects dangerous smoke, it will make more than 85dB alarm sound and the twinkling red LED indicator light at the same time; this alarm is sure to wake up you and your family, even when sound asleep. Support app connection: you need to purchase WiFi Base ASIN: B08PY7GP91 to connect to APP.
Brand | MOSUO #ad |
Manufacturer | HUIZHOU ANKA SCI-TECH co., LIMITED #ad |
Height | 1.57 Inches |
Length | 5.1 Inches |
Weight | 0.48 Pounds |
Width | 5.1 Inches |
Part Number | AJ-939 |
Model | AJ-939 |
More information #ad
10. FIRST ALERT
#ad
First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup , White
#adFIRST ALERT #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.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.
More information #ad
Rigorously tested to meet UL standards. 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. 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. 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.
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