Composite Smoke Detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM950 fully certified CE/EN54/FCC/RoHS. Key specs: Explosion-proof ATEX, 4-20mA output, -40°C~+85°C, SIL2 r
Source Smoke and Temperature Detector directly from Wanlin Fire, a leading Chinese manufacturer of NB-IoT Smart Smoke Detector. Product highlights: NB-IoT ultra-low-power, 8-year battery life, daily h