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GSM smoke detector, NB-IoT Smart Gas Detector, WL-GA201, Wan···
GSM smoke detector, NB···
2026-08-17
GSM smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-GA201 (NB-IoT Smart Gas Detector) certified UL/CE/EN54. Electrochemical/Semiconductor + NB-IoT + Cloud + Valve Control + 5-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
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Distribution Center Smoke Detector China Manufacturer,4G Sta···
Distribution Center Sm···
2026-07-29
Distribution Center Smoke Detector China manufacturer. 4G standalone smoke detector with dual optical path photoelectric sensing, 4G Cat.1 communication, DC6V battery (3-year life), ≥95dB alarm, ≥60sqm coverage. GB20517-2006 & CCCF certified. OEM/ODM, wholesale, global shipping to UAE. Contact: wanlinfirecontrol@163.com