3 in 1 Smoke Heat Carbon Monoxide Alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM400 fully certified CE/EN54/FCC/RoHS. Key specs: LoRaWAN protocol, 2-5km urban range, 500+
Source Smoke and CO Composite 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
Wanlin Fire Protection offers Smoke and CO Composite Detector (WL-SM600) for the Paris market: 4G Cat.1 wireless, 10s alert push via APP/SMS/call, 3-year battery, CE/FCC certified. Factory direct pric
Source Battery Operated Smoke Alarm directly from Wanlin Fire, a leading Chinese manufacturer of Photoelectric Smoke Heat Detector. Product highlights: Dual-sensor smoke+heat, 80% lower false alarm ra