433MHz wireless fire alarm

wireless smoke detector Wireless Interconnected Photoelectric Smoke Detector - LoRaWAN, NB-IoT and 4G LTE Cat-1 export OEM ODM wholesale

433MHz Wireless Fire Alarm — Wanlin, a Chinese fire protection manufacturer and exporter based in Shenzhen, China, supplies the WANLIN full product line across photoelectric smoke detectors, A1R / A2S heat detectors, resettable and weatherproof manual call points, EN 54-3 and EN 54-23 sounder strobes, the WANLIN-860 and WANLIN-868D wireless fire alarm contr···

Wanlin Fire - China source manufacturer for EN54-23 visual alarm device. Featured model WL-TH-CO (CO & Combustible Gas Detector): Combined: electrochemical CO + photoelectric smoke chamber; EN 50291-1 CO + EN54-7 Class A2 smoke, dual criteria; 88 dB at 3 m sounder with voice-free temporal patterns + relay; -10 to +45 deg C, 0-95% RH. Full lineup: smoke and h···