Enhance your household's fire safety and enjoy greater peace of mind with the First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup. Equipped with an ionization sensor, this 120-volt hardwired smoke alarm reliably detects smoke from fast-flaming fires and alerts you with an 85-decibel alarm. Included adapter plugs eliminate the need for re-wiring during installation, while a backup battery helps keep the unit running in case of a power outage. Designed to maximize accessibility and ease of use, this hardwired smoke detector features a single button that allows you to test and silence the alarm. And thanks to the universal mounting bracket, this smoke alarm is easy to install.

• Reliably detects smoke from flaming fires
• Battery backup helps keep alarm functioning during outages
• Loud 85-decibel alarm is designed to be heard easily
• Can integrate with up to 12 other First Alert or BRK hardwired alarms
• Easy testing and muting with single button control
• Tamper resistant locking pins, single button silence/test and loud 85dB alarm
• 120-Volt AC power with 9-Volt battery backup (included) to keep alarm functioning during power outage
• Open mounting design for easy installation with side load battery compartment for quick replacement and interconnectable up to 18 units (12 smoke, 6 CO/heat/relay)

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes and APO addresses not available for this item

Warranty: 90 Day Woot Limited Warranty