open path gas detector

remote gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA208 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Catalytic Gas Sensor + 4G Cat.1 + Cloud Platform + Complete Installation Kit + Solenoid Valve + 10-Year Design, 4G LTE Cat.1 + Cloud Platform + Mobile APP + Complete Kit (Detector + Valve + Mounting + Docu···

dormitory gas alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-GA201 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Semiconductor Gas Sensor + NB-IoT Cellular Communication + Ultra-Low Power Design, NB-IoT + Cloud Platform + SMS/Push/Email Alerts + Low-Power Wide Area + Remote Valve Control. Catalytic/infrared sensor, s···