First Alert BRK Wireless Interconnect photoelectric smoke alarms link the alarms throughout your home. 120 V AC hardwired wireless detectors with battery backup integrate single alarms into a system. Expand protection by replacing one existing hardwired alarm with Onelink and linking to existing hardwired and battery operated alarms. By adding BRK Wireless Interconnect AA battery-operated alarms elsewhere, when one alarm sounds, all alarms will be notified. Photoelectric smoke sensor reduces nuisance alarms. Easy access battery drawer: no need to remove an alarm from the ceiling to change battery. Includes 10-year limited warranty. Meets UL standards.
Features a wireless connection so when 1 alarm is triggered, all alarms will sound
Wireless Interconnect technology eliminates the need for an electrician to pull wires
Reliable radio frequency communication between alarms creates a secure fire safety system
Easily expand an existing interconnected AC system by replacing 1 alarm in the series with this alarm
Photoelectric smoke sensor helps to reduce nuisance alarms
Test/silence button and low battery warning for easy maintenance, batteries should be changed every six months
