Mains operated high performance photoelectric sensor smoke alarm (220-240v AC 50~60Hz) Holds Certificate Number - KM 694336, In Respect Of BS EN 14604 for Domestic Smoke Alarms
9V battery back up - low battery indication (audible and visual)
Test button, Hush button (hush time approx.8 minutes), alarm volume >85dB(A) at 3 metres
Wired interconnection (interconnectable up to 40 units)
Alarm is suitable for landing, hallway, bedroom living room and dining room, can be installed in the stairway and in every floor, if the length of the room or the hall is beyond 30 foot, you need several alarms in the hall
