3 in 1 Smoke Heat Carbon Monoxide Alarm 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°
Wanlin Fire Protection offers Photoelectric Smoke Detector (WL-SM400) for the Cairo market: LoRaWAN protocol, 2-5km urban range, 500+ devices per gateway, star/mesh topology. Factory direct pricing, f
3 in 1 Smoke Heat Carbon Monoxide Alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM500 fully certified CE/EN54/FCC/RoHS. Key specs: NB-IoT ultra-low-power, 8-year battery li