connected home fire detector — Wanlin Fire, Chinese LoRaWAN fire alarm equipment manufacturer and exporter by Wanlin Manufacturing Group, WL-LW-MS500 LoRaWAN Multi-Sensor Fire Detector with true dual optical smoke + A1R rate-of-rise heat sensing, EN54-5/7/11/25 certified, IN865-867 MHz LoRaWAN, 15km wireless range, 10-year battery life, IP65 weatherproof. C···
perfluorohexanone HFC-227ea replacement direct from Wanlin Fire Protection — 12-year factory experience, WL-SF500 smart fire protection product certified CE/EN54/UL/NFPA 72/FCC/RoHS/REACH/ISO 9001. Key specs: FK-5-1-12 Clean Agent + IoT Control Panel + Cloud Monitoring + Multi-Zone Detection, 4G/Ethernet + Cloud Platform + Smoke/Heat/CO Detector + Solenoid ···