LoRa Wireless Fire Alarm Systems for Warehouses | Wanlin Fire · Practical Product and Application Information
NB IoT Gas Alarm
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Long Battery Life Gas Detector China Manufacturer,4G Gas Det···
Long Battery Life Gas ···
2026-07-29
Long Battery Life Gas Detector 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 South Africa. Contact: wanlinfirecontrol@163.com
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smart watch alert gas alarm, LoRaWAN Wireless Gas Detector, ···
smart watch alert gas ···
2026-07-29
smart watch alert gas alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-GA205 4G gas detector certified CE/EN50194/UL2075/FCC. Key specs: Infrared Gas Sensor + LoRaWAN Long Range + Low Power + Dual Communication, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + 4G Cat.1 Backup + Battery Optimized. Catalytic/infrared···
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Factory Direct Whole House Humidistat: Wanlin WL-PB400 4G/NB···
Factory Direct Whole H···
2026-06-11
whole house humidistat direct from Wanlin Fire Protection — 12-year factory experience, WL-PB400 fully certified CE/FCC/RoHS. Key specs: 4G/NB-IoT wireless, 3s alert push via APP/SMS/Call to 5 contacts, 3-year