BRK SMOKE CARBON MONOXIDE DETECTOR 120V WIRED WITH BATTERY BACKUP

Price: $74.45
(as of Oct 07, 2026 16:32:34 UTC – Details)


The First Alert BRK SC9120B Hardwired Smoke and Carbon Monoxide Alarm provides reliable protection against smoke and carbon monoxide threats. This hardwired alarm includes battery backup for continued monitoring during power outages and supports interconnect capability with compatible alarms. Features: – Hardwired with battery backup – Combination smoke and carbon monoxide alarm – Interconnect compatible – Test/Silence button – White finish
Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there’s a power failure
Features an electrochemical carbon monoxide sensing technology as well as an ionization sensor for smoke detection.
Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85 decibel siren provides a clear, loud warning upon detection
Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat 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
Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
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)