explosive gas detector

warehouse 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···

gas detector for kitchen direct from Wanlin Fire Protection — 12-year factory experience, WL-HS102 certified CE/FCC/RoHS/REACH/ISO9001/NFPA 72. Key specs: 4G LTE + WiFi + GPS Medical Alert Integration, 4G + WiFi + GPS + SMS + Phone Call + Push + Two-Way Voice. No monthly fees, 4G cellular backup, DIY installation, expandable to 50-100+ sensors. MOQ 100 kits···