electrical room smoke detector

Wanlin Fire - China source manufacturer for paper mill fire alarm. Featured model WL-TH-GW (IoT Gateway & Cloud Platform): LoRaWAN gateway, 8-channel downlink; Receiver sensitivity -137 dBm, 10,000+ nodes capacity; Cloud dispatch: push / SMS / email / voice call to duty phones; -20 to +60 deg C, 10-95% RH. Full lineup: smoke and heat detectors, CO and gas de···

Airbnb smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP800 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Photoelectric Smoke Sensing + RF Wireless Interconnect (433MHz/868MHz) + Mesh Network + Self-Healing Topology, RF Wireless Mesh + 4G LTE Cat.1 Gateway + Cloud Platform + SMS/P···