addressable gas detector 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 sens···
wireless interconnected fire alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-CO800 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Electrochemical CO Sensor, 4G LTE + SMS + Push + Phone Call + App + Voice Alert. No monthly fees, 4G cellular backup, cloud platform, DIY installation. MOQ 100 ···