Features:
Ionization sensor which helps detect fast flaming fires that consume combustible materials rapidly.
120-volt AC inter-connectable (with maximum 18 compatible devices). The alarm can be interconnected with up to 12 other compatible smoke alarms and six compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Power indicators show which unit in the series initiated the alarm.
Latching alarm indicator which automatically identifies which unit initiated the alarm.
Smart technology to reduce nuisance alarms.
9-volt battery backup for peace of mind during power malfunction.
Single test/silence button which both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality.
Perfect mount system including a gasket