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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.
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. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm.

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 6-pack of hardwired smoke and carbon monoxide alarms; The battery backup means constant monitoring, even if there's a power failure.

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.
Emits t3 pattern; 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. 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 ; 120-volt hardwired smoke alarm wires directly into your home’s electrical system.
Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. 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.




Optipath 360 patented technology provides 360 degrees of access to the smoke alarm. A single button makes alarm easy to test monthly or silence during a false alarm. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home 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. 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. Rigorously tested to meet UL standards. 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.
1. FIRST ALERT
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First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-Pack
#adFIRST ALERT #ad - 10-year limited. 120-volt ac power with 9-volt battery backup included to keep alarm functioning during power outage. 6 pack of hardwired smoke alarms, includes battery backup for power outages. 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.More information #ad
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. Tamper resistant locking pins, single button silence/test and loud 85Db alarm.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
2. FIRST ALERT
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First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack
#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. Rigorously tested to meet UL standards. Note: a loose neutral white wire connection within the home junction box could prompt a device malfunction.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
To ensure complete protection make sure to place one on each level of your home and in each bedroom. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety. 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. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. 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 |
Height | 5.6 Inches |
Length | 5.6 Inches |
Width | 1.9 Inches |
Part Number | 9120B6CP |
Model | BRK9120b |
Warranty | 10 year |
More information #ad
3. FIRST ALERT
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White, First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector CO with Battery Backup. 6-Pack
#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. 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.
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. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected. 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.
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
4. FIRST ALERT
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White, FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement
#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. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.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.
More information #ad
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. Emits t3 pattern; 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. Can connect to other compatible BRK or First Alert smoke alarms, to ensure all alarms will sound when smoke is detected.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.25 Inches |
Length | 5.75 Inches |
Weight | 0 Pounds |
Width | 5.75 Inches |
Part Number | 1039939 |
Model | 9120LBL |
More information #ad
5. FIRST ALERT
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FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Battery Backup
#adFIRST ALERT #ad - To ensure complete protection make sure to place one on each level of your home and in each bedroom. 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.Emits T3 Pattern. Rigorously tested to meet ul standards ; 120-volt hardwired smoke alarm wires directly into your home’s electrical system.
More information #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. Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. 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.
Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 5.69 Inches |
Length | 5.59 Inches |
Weight | 0.66 Pounds |
Width | 2.25 Inches |
Part Number | 9120LBL |
Model | 9120LBLFF |
Warranty | 10 |
More information #ad
6. 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, silence/test button, dust cover, 85 decibel alarm.120 volt hardwire smoke alarm with photoelectric sensor and battery backup. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.More information #ad
Intuitive latching alarm indicator identifies which unit triggered alarm. Inter connectable with BRK and first alert hardwired smoke and carbon monoxide alarms. Backed by 10 year limited warranty and tested to meet UL 217 standards. 85 decibel 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
7. Kidde
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Test-Silence Button, Kidde Smoke Detector, Hardwired Smoke Alarm with Battery Backup & Interconnect
#adKidde #ad - Ul certified, 10-year limited warranty. Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm.More information #ad
Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 6 Inches |
Length | 2 Inches |
Weight | 0.74 Pounds |
Width | 6 Inches |
Part Number | 21029727 |
Model | I12040A |
Warranty | 5 Year Limited |
More information #ad
8. Kidde
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Voice Alert, Battery Powered, Kidde Smoke & Carbon Monoxide Detector, Interconnect Combination Smoke & CO Alarm
#adKidde #ad - Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries. Ul certified, 10-year limited warranty. Fire & co detector in 1 unit with alert modes, led lights, that states, "warning! carbon Monoxide!", & voice alarm, "Fire! Fire!", or "Low Battery!".More information #ad
Test-hush feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling. Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire.Brand | Kidde #ad |
Manufacturer | Kidde Safety #ad |
Height | 5.6 Inches |
Length | 1.8 Inches |
Weight | 1 Pounds |
Width | 5.6 Inches |
Part Number | 21026043 |
Model | KN-COSM-BA |
Warranty | 5-year limited warranty |
More information #ad
9. FIRST ALERT
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First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup
#adFIRST ALERT #ad - Temperature range: 40°f 4°c to 100°F 38°C. Photoelectric and ionization sensors provide comprehensive fire detection. Emits T3 Pattern. Hardwired alarm includes battery backup for power outages.Optipath 360 patented technology provides 360 degrees of access to the smoke alarm. A single button makes alarm easy to test monthly or silence during a false alarm. Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety.
More information #ad
Two latching features help indicate a low battery or the originating alarm in a system. 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. Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast burning and smoldering fires.Brand | FIRST ALERT #ad |
Manufacturer | First Alert #ad |
Height | 2.4 Inches |
Length | 5.7 Inches |
Weight | 0.85 Pounds |
Width | 5.7 Inches |
Part Number | 3120FF |
Model | 3120FF |
Warranty | 10 Year Limited |
More information #ad
10. FIRST ALERT
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FIRST ALERT BRK SC7010BV Hardwired Talking Photoelectric Smoke and Carbon Monoxide CO Detector
#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. 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 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. 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.
More information #ad
Note: kindly refer to the user manual provided as a PDF manual in the product description section. 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. Rigorously tested to meet UL standards. 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.
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