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    Meet Your Seller

    First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

    • Keep your family safe with this hardwired smoke alarm 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
    • Rigorously tested to meet UL standards120 volt AC power with 9V battery backup to keep alarm functioning during power outage
    • 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
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    Any questions? Our AI beta will help you find out quickly.

    First Alert
    Super Prepared Family

    Smoke

    Smoke Alarms

    Place at least 10 feet from kitchen/stove, and on the ceiling or high on a wall, no more than 10 inches from top.

    Carbon Monoxide

    Carbon Monoxide Alarms

    Carbon monoxide alarms can be placed anywhere, not just the ceiling or high on a wall. They should be replaced every 5 to 7 years.

    Extinguishers

    Fire Extinguishers

    Keep in the kitchen and garage, but make sure to have the right grade for the type of fire that might occur.

    Escape Ladders

    Escape Ladders

    Have at least one if your home has more than one story. Each room needs 2 escape routes; in most bedrooms it's the window, so have a ladder nearby.

    Recommended Placement
    First Alert
    Super Prepared Family
    Smoke

    Smoke Alarms

    Place at least 10 feet from kitchen/stove, and on the ceiling or high on a wall, no more than 10 inches from top.

    Carbon Monoxide

    Carbon Monoxide Alarms

    Carbon monoxide alarms can be placed anywhere, not just the ceiling or high on a wall. They should be replaced every 5 to 7 years.

    Extinguishers

    Fire Extinguishers

    Keep in the kitchen and garage, but make sure to have the right grade for the type of fire that might occur.

    Escape Ladders

    Escape Ladders

    Have at least one if your home has more than one story. Each room needs 2 escape routes; in most bedrooms it's the window, so have a ladder nearby.

    Recommended Placement
    First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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