Wireless Alarm and Strobe Devices for Hotels | Wanlin Fire · Practical Product and Application Information
gas detector with SIL3
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Four-Wire Gas Alarm China Manufacturer,4G Gas Detector,OEM/O···
Four-Wire Gas Alarm Ch···
2026-07-29
Four-Wire Gas Alarm China manufacturer. 4G gas detector with catalytic combustion sensor (LEL), auto shut-off valve, 4G Cat.1 cellular alarm, cloud platform monitoring. EN50194 & UL2075 certified. OEM/ODM, wholesale, global shipping to France. Contact: wanlinfirecontrol@163.com
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laser gas detector, 4G Gas and CO Combination Detector, WL-G···
laser gas detector, 4G···
2026-07-29
laser gas detector direct from Wanlin Fire Protection — 12-year factory experience, WL-GA203 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Electrochemical CO Sensor + Catalytic Gas Sensor + 4G Cat.1 Communication, 4G LTE Cat.1 + Cloud Platform + Dual Alarm (Gas + CO) + SMS/Push/Email + Valve Control. Catalytic/infrared sensor, solenoid valve s···