smoke alarm

Wanlin Fire Protection offers Battery Operated Smoke Alarm (WL-SM400) for the Vancouver market: LoRaWAN protocol, 2-5km urban range, 500+ devices per gateway, star/mesh topology. Factory direct pricin

Source Wireless Smoke Detector directly from Wanlin Fire, a leading Chinese manufacturer of 3-in-1 Smoke Heat CO Detector. Product highlights: Smoke+Heat+CO tri-sensor, multi-gas detection, EN54-7/-5/

Smoke and CO Composite Detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SM600 fully certified CE/EN54/FCC/RoHS. Key specs: 4G Cat.1 wireless, 10s alert push via APP/SMS/cal