Cheapest fire detectors infrared beam digital smoke detector
General Details
Features:
1.Easy to install with mounting hardware included
2.Suitable for any room
3.Test button for easy recommended monthly testing
4.Chamber for early detection from all directions
5.Loud 85DB alarm signal
Specifications:
1.Photoelectric smoke detector
2.Smoke sensitivity:0.125-2.0 db/m
3.Alarm curret:<=12mA
4.Standby Current:<=20uA
5.Powered by 9V battery
6.Weight:150g
7.Size:10.5*4.5CM
SR-822PS Smoke alarm
standalone,9V battery, Smart design
SR-808PC-4 Smoke detector
4 wire optional