wireless smoke alarm LoRa WL-LOR-SMK400 LoRaWAN Multi-Sensor Smoke+Heat+CO Detector export OEM ODM wholesale
Wanlin Fire - China source manufacturer for tunnel fire alarm. Featured model WL-TH-MCP (Manual Call Point & Sounder Strobe): Weatherproof break-glass call point, marine grade; Positive break contact, dual tamper monitoring; 110 dB at 1 m sounder horn + strobe, weatherproof rated; -25 to +70 deg C, 0-95% RH. Full lineup: smoke and heat detectors, CO and gas ···