WL SM400

Combined Smoke & Heat Detector (WL-SM400) direct from Wanlin Fire Protection — 12-year China factory, exporting to 60+ countries. Fully certified...

Source Addressable Smoke Detector directly from Wanlin Fire, a leading Chinese manufacturer of LoRa Wireless Smoke Detector. Product highlights: LoRaWAN protocol, 2-5km urban range, 500+ devices per g