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