Reviews Smoke Alarms Consumer Reports

First Alert BRK 9120B-3 Hardwired Smoke Detector with Backup Battery, 3-Pack

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.
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.
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).

Easily replace hardwired Firex smoke alarms with First Alert or BRK smoke alarms.
Ideal for retrofitting jobs, Package dimensions 1.85 x 8.39 x 5.24 inches, individual unit dimensions are 3 x 1 x 1 inches.
Compatible with SC9120B, 4120-series, 9120-series, 7010-series, 5919, 2002RAC, SC6120B, HD6135FB, and RM3 First Alert or BRK alarms.
Compatible with 406 (G-6), 4518 (ADC), 4618 (FADC), 484 (PG-40), 4480 (PAD), 5700 (ADH), and 499 Firex alarms.
Includes 12 smoke alarm adapter plugs.Refer to the PDF attached below in Technical Specification for User Manual for compatible models and brands.

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.
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.
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.
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.
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).

10 YEARS LIFE: This smoke and carbon monoxide detector contains 1 built-in 3V lithium battery, and could keep for 10 year without replacing to protect environment and save time. Low battery warning will open when you need to change smoke detector.
2-IN-1 FUNCTION: Photoelectric smoke sensor and electrochemical CO sensor work independently, smoke alarm prior to CO alarm. Smoke monoxide detector detects fast and slow-burning fires with minimized false alarms, provides you the ultimate protection.
HOW TO TEST & SILENCE: Test and silence combo smoke CO alarm by pressing test/silence button, mute time last for 10 minute. Fire alarm tone is over 85 dB at 3 meter and will sound throughout your entire home.
HIGH-TECH: This 2 in 1 smoke and carbon monoxide alarm has a built-in intelligent chipset. LED light is green in normal and turn red in emergency, fire alarms smoke detectors detect the safety of your house at anytime.
INSTALL EASILY: Smoke alarm(not hardwired) can be installed in 5 minutes by yourself, coming with screws and bracket. Smoke alarms can be mounted in ceiling or wall of every room, bedroom, kitchen to ensure the safety of you and your family.

Install these Kidde Worry-Free Smoke Alarms to provide your home with reliable protection against smoke and fire. The alarms are equipped with sealed-in lithium batteries that are designed to last for the life of the alarms. Photoelectric sensors can detect fire particles, which are associated with slow, smoldering fires, quickly. Once the alarms are attached to the mounting brackets, they activate automatically for simple use. Product Features: Provides reliable protection Sealed-in lithium b.

Note: A loose neutral (white wire) connection within the home junction box could prompt a device malfunction.
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.
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. 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.
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).

...w battery warning will open when you need to change smoke detector.
2-IN-1 FUNCTION: Photoelectric smoke sensor and electrochemical CO sensor work independently, smoke alarm prior to CO alarm. Smoke monoxide detector detects fast and slow-burning fires with minimized false alarms, provides you the ultimate protection.
HOW TO TEST & SILENCE: Test and silence combo smoke CO alarm by pressing test/silence button, mute time last for 10 minute. Fire alarm tone is over 85 dB at 3 meter and will sound throughout your entire home.
HIGH-TECH: This 2 in 1 smoke and carbon monoxide alarm has a built-in intelligent chipset. LED light is green in normal and turn red in emergency, fire alarms smoke detectors detect the safety of your house at anytime.
INSTALL EASILY: Smoke alarm(not hardwired) can be installed in 5 minutes by yourself, coming with screws and bracket. Smoke alarms can be mounted in ceiling or wall of every room, bedroom, kitchen to ensure the safety of you and your family.