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maintenance free gas alarm, NB-IoT Wireless Gas Leak Detecto···
maintenance free gas a···
2026-07-29
maintenance free 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 sen···
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Mechanical Room Water Leak from Wanlin Fire Protection: WL-G···
Mechanical Room Water ···
2026-06-11
mechanical room water leak 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