Wanlin Fire - China source manufacturer for multi-sensor smoke detector. Featured model WL-TH-IOT (Smart Wireless IoT Detector): Photoelectric smart smoke detector with NB-IoT module; EN54-7 Class A2 chamber, hourly cloud self-test; Local 85 dB sounder + cloud push / SMS / voice call; -10 to +55 deg C, 0-95% RH (tropical humidity rated). Full lineup: smoke a···
commercial smoke detector direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke + CO) + SM···