Top 10 First Alert Smoke Detector 9120B – Smoke Detectors & Fire Alarms

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1. FIRST ALERT

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First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup , White

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FIRST ALERT #ad - Can connect to other compatible BRK or first alert smoke detectors, to ensure all alarms will sound when smoke is detected. Rigorously tested to meet ul standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage.

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. To ensure complete protection make sure to place one on each level of your home and in each bedroom. 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 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. Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height2.2 Inches
Length5.6 Inches
Weight0.8 Pounds
Width5.6 Inches
Part Number9120BFF
Model9120B
Warranty10 Year Limited

2. FIRST ALERT

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First Alert BRK 9120B6CP Hardwired Smoke Alarm with Backup Battery, 6-Pack

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FIRST ALERT #ad - 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. Note: a loose neutral white wire connection within the home junction box could prompt a device malfunction. 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.

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. To ensure complete protection make sure to place one on each level of your home and in each bedroom.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height5.6 Inches
Length5.6 Inches
Width1.9 Inches
Part Number9120B6CP
ModelBRK9120b
Warranty10 year

3. FIRST ALERT

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FIRST ALERT BRK 9120B-3 Hardwired Smoke Alarm with Backup Battery, White, 3 Pack, 3 Count"

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FIRST 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. 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 smoke detectors, to ensure all alarms will sound when smoke is detected. 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. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast flaming fires and alerts you with an 85 decibel alarm.

Rigorously tested to meet UL standards. 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. To ensure complete protection make sure to place one on each level of your home and in each bedroom.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height5.6 Inches
Length5.6 Inches
Weight0.6 Pounds
Width1.9 Inches
Part Number9120BFF-3
ModelBRK 9120B-3

4. FIRST ALERT

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12-Pack, FIRST ALERT BRK 9120B-12 Hardwired Smoke Detector with Backup Battery

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FIRST 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. 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. 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.

Can connect to other compatible BRK or First Alert smoke detectors, to ensure all alarms will sound when smoke is detected. Keep your family safe with this 12-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.
BrandFIRST ALERT #ad
ManufacturerFirst Alert / BRK Brands, Inc. #ad
Height2.2 Inches
Length5.6 Inches
Weight0.6 Pounds
Width5.6 Inches
Part Number9120BFF-12
Model9120BFF-12

5. FIRST ALERT

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FIRST ALERT CO605 Plug-in Battery Backup Carbon Monoxide Alarm and FIRST ALERT 9120B Smoke Detector Alarm | Hardwired with Backup Battery

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FIRST ALERT #ad - Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is placed in the room.

Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85 decibel alarm. Keep your family safe with this easy-to-use plug-in carbon monoxide alarm; it works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure. Keep your family safe with this hardwired smoke alarm the battery backup means constant monitoring, even if there's a power failure.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad

6. FIRST ALERT

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White, 1 pack , FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup

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FIRST ALERT #ad - Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection. Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected.

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. 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. 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.

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.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height1.9 Inches
Length5.6 Inches
Weight0.25 Pounds
Width5.6 Inches
Part NumberSC9120B
ModelSC9120B
Warranty7 Year Limited

7. FIRST ALERT

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2nd Generation, First Alert Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm

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FIRST ALERT #ad - Enjoy improved compatibility, easier setup and a seamless in-app experience. Includes an 85-decibel horn, single test/silence button, side access to a tamper-resistant battery door, and pins that lock the alarm to the mounting bracket.

This device is certified to work with Ring; Requires Ring Alarm to Work with Ring. Receive real-time notifications in the Ring App when smoke or carbon monoxide is detected. Certified to work with smart home systems such as ring Alarm, Samsung SmartThings, and Nexia Home Intelligence when connected to a Z-Wave Plus gateway hub sold separately; Not compatible with Wink or Onelink.

The z-wave plus with smart start feature allows a faster and more intuitive connection of device to hub and on-boarding via QR code scan located on device. Help keep your family safe with this battery-powered smoke detector and carbon monoxide alarm; includes 2 AA batteries. Photoelectric smoke sensor helps reduce false alarms caused by cooking or shower steam.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height8.5 Inches
Length3.66 Inches
Weight0.68 Pounds
Width6.75 Inches
Part Number1044807
Model1044807
Warranty7 Year Limited Warranty

8. FIRST ALERT

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FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Battery Backup

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FIRST ALERT #ad - 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.

To ensure complete protection make sure to place one on each level of your home and in each bedroom. 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. 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. Equipped with an ionization sensor, this smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm. Rigorously tested to meet ul standards ; 120-volt hardwired smoke alarm wires directly into your home’s electrical system.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height5.69 Inches
Length5.59 Inches
Weight0.66 Pounds
Width2.25 Inches
Part Number9120LBL
Model9120LBLFF
Warranty10

9. FIRST ALERT

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Battery Operated, First Alert SA511CN2-3ST Wireless Interconnected Smoke Alarm with Voice Location, 2 Pack

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FIRST ALERT #ad - Voice alarm with 11 programmable locations tells you where the danger is so you can choose the best evacuation route; Loud, 85-decibel siren sounds to alert you to danger. Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; Helps minimize the number of false alarms.

Wirelessly connect upto 18 first alert enabled alarms for the maximum in whole home protection; includes test/silence button, low battery warning, end of life timer. Battery powered alarm requires no rewiring for installation and provides continued monitoring even if there's a power failure; use with Polaroid AA batteries for best results.

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. Help keep your family safe with these battery operated smoke alarms that wirelessly interconnect with each other and other First Alert enabled alarms so that all sound when one is activated, creating a home safety network; comes in a pack of 2 alarms.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height0 Inches
Length0 Inches
Weight0.65 Pounds
Width0 Inches
Part NumberSA511CN2-3ST
ModelSA511CN2-3ST
Warranty10 year

10. FIRST ALERT

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First Alert BRK SC9120LBL Hardwired Smoke and Carbon Monoxide CO Detector with 10 Year Sealed Battery Backup

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FIRST 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 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.

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. 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.

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. Simple to use, with a single test/silence button; Included 10 year lithium battery features a locked drawer to prevent tampering. Rigorously tested to meet UL standards, Emits T3 pattern.
BrandFIRST ALERT #ad
ManufacturerFirst Alert #ad
Height5.69 Inches
Length5.59 Inches
Weight0.68 Pounds
Width2.25 Inches
Part NumberSC9120LBL
ModelBRK SC9120LBL
Warranty7