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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: a loose neutral white wire connection within the home junction box could prompt a device malfunction. Easy-to-access battery drawer that allows you to replace the battery without dismounting the alarm. Rigorously tested to meet UL standards. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. To ensure complete protection make sure to place one on each level of your home and in each bedroom.

Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm. 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. Keep your family safe with this hardwired First Alert smoke alarm with a 10-year battery backup, which means constant monitoring for the life of the alarm, even if there's a power failure.



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 6-pack of hardwired smoke and carbon monoxide alarms; The battery backup means constant monitoring, even if there's a power failure. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.


Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation. 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.

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.
Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. Keep your family safe with this 3 pack of hardwired smoke alarms; the battery backup means constant monitoring, even if there's a power failure.

Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.
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. Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home.

The faster you know about the fire, the sooner you start moving your family, and the smoke alarm at work reduces the risk of home fire deaths by 50%. Small size, but it is more sensitive to light smoke and slow smoldering fires and more quickly to warn you, DIA 3.
Test button>>> test smoke alarm every week by pressing the test button in the middle of the cover for 5 seconds. If fault, please clean dust or smoke inside smoke alarm with fan. Home protection>>> according to us data analysis, a family fire begins every 38 seconds. Sound & led warning>>> if fire alarm detects smoke or combustion particles in the air, it will sound in 85db and red LED will flash rapidly to remind every member to check.
1. FIRST ALERT
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Hardwired Alarm with Battery Backup, First Alert 9120B Smoke Detector, 6-Pack
#adFIRST ALERT #ad - Emits T3 pattern. Keep your family safe with this 6 pack of hardwired smoke alarms; the battery backup means constant monitoring, even if there's a power failure. 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.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
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. Note: a loose neutral white wire connection within the home junction box could prompt a device malfunction. Easy-to-access battery drawer that allows you to replace the battery without dismounting the alarm. Rigorously tested to meet UL standards. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. To ensure complete protection make sure to place one on each level of your home and in each bedroom.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5.6 Inches |
Length | 5.6 Inches |
Width | 1.9 Inches |
Part Number | 9120B6CP |
Model | BRK9120b |
Warranty | 10 year |
More information #ad
2. FIRST ALERT
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White, FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement
#adFIRST ALERT #ad - Can connect to other compatible BRK or First Alert smoke alarms, to ensure all alarms will sound when smoke is detected. Emits t3 pattern; Rigorously tested to meet UL standards. Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewire.Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
More information #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. 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 hardwired First Alert smoke alarm with a 10-year battery backup, which 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 | 2.25 Inches |
Length | 5.75 Inches |
Weight | 0.61 Pounds |
Width | 5.75 Inches |
Part Number | 9120LBL |
Model | 9120LBL |
More information #ad
3. FIRST ALERT
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First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
#adFIRST ALERT #ad - Open mounting design for easy installation with side load battery compartment for quick replacement and interconnect able up to 18 units 12 smoke, 6 co/heat/relay. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.More information #ad
6 pack of hardwired smoke alarms, includes battery backup for power outages. 120-volt ac power with 9-volt battery backup included to keep alarm functioning during power outage. Tamper resistant locking pins, single button silence/test and loud 85Db alarm. 10-year limited.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.2 Inches |
Length | 5.6 Inches |
Weight | 0.6 Pounds |
Width | 5.6 Inches |
Part Number | 9120BFF-6 |
Model | 9120BFF-6 |
More information #ad
4. FIRST ALERT
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First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , White
#adFIRST ALERT #ad - Features convenient 9 volt battery backup, dust cover, silence/test button, 85 decibel alarm. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Backed by 10 year limited warranty and tested to meet UL 217 standards.More information #ad
120 volt hardwire smoke alarm with photoelectric sensor and battery backup. Inter connectable with BRK and first alert hardwired smoke and carbon monoxide alarms. 85 decibel alarm. Intuitive latching alarm indicator identifies which unit triggered alarm.Brand | FIRST ALERT #ad |
Manufacturer | BRK Brands #ad |
Height | 5.13 Inches |
Length | 5.13 Inches |
Weight | 0.8 Pounds |
Width | 5.13 Inches |
Part Number | GID-601061 |
Model | 7010B |
More information #ad
5. FIRST ALERT
#ad
First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector CO with Battery Backup. 6-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. 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.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
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. Keep your family safe with this 6-pack of hardwired smoke and carbon monoxide alarms; The battery backup means constant monitoring, even if there's a power failure. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
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-6 |
Model | BRK SC9120B-6 |
More information #ad
6. FIRST ALERT
#ad
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup
#adFIRST ALERT #ad - Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Easy to install universal mount bracket. Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms.More information #ad
9-volt battery included; 10-year limited warranty. Superior carbon monoxide sensor and dual ionization smoke alarm. Simple to use silence/test button; separate smoke and CO latching alarm indicators.Brand | FIRST ALERT #ad |
Manufacturer | BRK Brands #ad |
Height | 5.69 Inches |
Length | 5.59 Inches |
Weight | 0.65 Pounds |
Width | 2.25 Inches |
Part Number | SC9120B |
Model | SC9120B |
More information #ad
7. FIRST ALERT
#ad
FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide Detector with Battery Backup and FIRST ALERT BRK9120b6CP Smoke Detector Alarm | Hardwired with Backup Battery
#adFIRST ALERT #ad - Keep your family safe with this hardwired smoke alarm; the 10-year battery backup means constant monitoring for the life of the alarm, even if there's a power failure.Keyhole slots in the mounting bracket eliminate the need to remove the electrical box screws for installation. 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.
More information #ad
Features an electrochemical carbon monoxide sensing technology as well as intelligent smoke sensing technology to reduce nuisance alarms. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Model | SC9120B |
More information #ad
8. FIRST ALERT
#ad
1 Pack & Alert BRK 9120B-3 Hardwired Smoke Alarm with Backup Battery, 3 Pack, 3 Count, FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup, 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.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.
More information #ad
Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm. To ensure complete protection make sure to place one on each level of your home and in each bedroom. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. Keep your family safe with this 3 pack of hardwired smoke alarms; the battery backup means constant monitoring, even if there's a power failure.
Brand | FIRST ALERT #ad |
Model | SC9120B |
More information #ad
9. FIRST ALERT
#ad
FIRST ALERT BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector , 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. The 85-decibel alarm provides a clear, loud warning upon detection. Note: kindly refer to the user manual provided as a PDF manual in the product description section.Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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. 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. 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. Tells you whether the danger is smoke or carbon monoxide and where the threat is among up to 11 preprogrammed locations in your home.
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
10. Ecoey
#ad
Battery Included Photoelectric Smoke Detector with Test Button and Low Battery Signal, Ecoey Smoke Alarm Fire Detector, 8 Packs, Bedroom FJ136GB, Small Fire Alarm for Home
#adEcoey #ad - Please change batteries when smoke detector inform low battery, smoke alarm “chirp” every 32 seconds and the red LED flashes at the same time. Not hardwired anymore and you can install it wherever you want, bathroom, keep 3 ft away from the kitchen, except bathroom and kitchen, or other high air flow areas.The faster you know about the fire, the sooner you start moving your family, and the smoke alarm at work reduces the risk of home fire deaths by 50%. Small size, but it is more sensitive to light smoke and slow smoldering fires and more quickly to warn you, DIA 3.
More information #ad
3inch. Easy installation>>> smoke alarm can be easily installed with mounting bracket. High accuracy>>> photoelectric smoke detector is small, keeping your home safe 24/7. If you have any problem with smoke detector, please contact us. Test button>>> test smoke alarm every week by pressing the test button in the middle of the cover for 5 seconds. If fault, please clean dust or smoke inside smoke alarm with fan. Home protection>>> according to us data analysis, a family fire begins every 38 seconds. Sound & led warning>>> if fire alarm detects smoke or combustion particles in the air, it will sound in 85db and red LED will flash rapidly to remind every member to check.
Brand | Ecoey #ad |
Manufacturer | SITERWELL ELECTRONICS CO.,LIMITED #ad |
Part Number | GS526A |
Model | GS526A |
More information #ad