Wireless Smoke Detector Fire Alarm Sensor

Functions and Specification:
1.Sensitivity: In comply with standard UL217 3.2%/feet. 3 levels of sensitivity can be set.
2.Photoelectric infrared LED. It flashes once a minute in normal operation.
3.It makes sound and light alarm and send wireless alarm signal to alarm panel when combustion is sensed.
4.Detection area:20 square meters.
5.Manual test and automatic reset.
6.With strong resistance for white light, electromagnetic interference etc.
7.Transmitting frequency: 433MHz.
8.Long range wireless transmitting distance: 150m
9.Power supply:9V alkali or carbonic battery for minimum 1 year.
10.Dimension:Φ107*35mm