gas sensor for factory

apartment gas alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-GA205 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Infrared Gas Sensor + LoRaWAN Long Range + Low Power + Dual Communication, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + 4G Cat.1 Backup + Battery Optimized. Catalytic/infrared sensor, ···

gas alarm for school kitchen 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. Catalyti···