First Alert BRK SC9120B-12 Hardwired Smoke and Carbon Monoxide CO Detector with Battery Backup 12-Pack
- Keep your family safe with this 12 pack of hardwired smoke and carbon monoxide alarms.
- the battery backup means constant monitoring, even if there's a....
- Features an electrochemical Carbon Monoxide sensing technology as well as an ionization sensor that detects the fine particles of a fast burning fire.
- 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....
- Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when a 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....