Fire Smoke Sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-SM100 fully certified CE/EN54/FCC/RoHS. Key specs: RF 433MHz mesh, one triggers all, 100m distance, battery operat
Smoke Heat Composite Detector 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+ devices p
Fire Smoke Sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-SM100 fully certified CE/EN54/FCC/RoHS. Key specs: RF 433MHz mesh, one triggers all, 100m distance, battery operat