Hardwired heat alarm
1.Power supply:AC 220V-240V 50Hz,with DC 9V alkaline battery back up.
2.Conform to BS5446-2:2003.
3.Alarm volume:≥85dB at 3m.
4.Big test button for easily weekly testing.
5.Low battery signal alarm.
6.Silence function:Approx. 8mins.
7.Produce life time>10 years.
8.Wireless RF module optional,wireless interconnection up to 40pcs.
9.Push base for easy installation.
8.Size:Φ 140mm×58.8mm.