NB IoT Gas Alarm

gas alarm supply chain direct from Wanlin Fire Protection — 12-year factory experience, WL-GA204 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic Combustion Sensor + AI False Alarm Algorithm + 4G Cat.1 + Edge Computing + Multi-Sensor Fusion, 4G LTE Cat.1 + AI Cloud Platform + Smart Push + Predictive Maintenance + OTA Update + Valve Contr···

security system installer kit direct from Wanlin Fire Protection — 12-year factory experience, WL-GA200 fully certified CE/FCC/RoHS. Key specs: NB-IoT/WiFi wireless, 5s alert push via APP/SMS/Call + Solenoid Valve, AC Powered + Battery Backup