First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack

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. easy-to-access battery drawer that allows you to replace the battery without dismounting the 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)