First Alert BRK 9120B-12 Hardwired Smoke Detector with Backup Battery, 12-Pack

Features

• 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
• 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
• 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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