USI Electric Smoke And Fire Alarm, Hardwired With 9V Battery Backup
Sensing plus multi-criteria detection accurately identifies both slow-burning and fast-flaming fires
Replaceable backup battery - ensures continuous protection even during power outages
Interconnected alarms - for optimal safety, once 1-alarm sounds, every compatible device will sound
Superior false alarm resistance - reduces nuisance alarms, minimizing disruptions
Dust/Paint Cover - Protects the alarm during construction or renovations
Easy Installation- Simple setup for hassle-free installation
Meets the requirements of leading safety organizations: underwriters laboratories (UL) 217 9th edition, federal housing authority (FHA), housing and urban development (HUD), and the national fire protection association (NFPA)