BRK 9120B 120VAC/DC Smoke Alarm, 9V Battery Backup

Protect occupants and property with reliable, always-on detection — the BRK Electronics 9120B smoke alarm delivers proven performance for residential and light commercial use. This hardwired smoke alarm provides continuous 120VAC power with a 9V alkaline battery backup so your fire detection stays active during power interruptions. The dual ionization sensing chamber responds quickly to fast-flaming fires while Smart Technology helps reduce nuisance alarms, cutting downtime and service calls. Perfect Mount and a single-button test/silence streamline installation and regular maintenance, saving contractors time on site. UL 217 listing and a 10-year limited warranty give facility managers confidence in long-term compliance and durability. Designed for ceiling or wall mount, the 9120B fits seamlessly into security, monitoring and building safety plans and works within wired detection networks for coordinated alarm response. Add dependable BRK smoke detection to your safety strategy — order the 9120B for projects that require robust, low-maintenance fire protection and integration with your site monitoring systems.

• Continuous protection with 120VAC hardwired power and 9V battery backup to keep detection active during outages
• Dual ionization sensing reduces response time to fast-flaming fires for quicker occupant safety
• Smart Technology reduces nuisance alarms, minimizing false trips and lowering maintenance calls
• Easy Perfect Mount installation and single-button test/silence save installation time and simplify upkeep
• UL 217 listed and backed by a 10-year limited warranty for reliable code-compliant fire safety