NB IoT LTE M gas alarm

gas alarm FOB direct from Wanlin Fire Protection — 12-year factory experience, WL-GA200 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic Combustion Sensor + 4G Cat.1 Cellular Communication + Microprocessor Analysis, 4G LTE Cat.1 + Cloud Platform + SMS/Push/Email Alerts + Remote Monitoring + Solenoid Valve Control. Catalytic/infrared sens···

low battery warning gas alarm 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 + Valv···