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substation smoke detector, NB-IoT Smart Gas Detector, WL-GA2···
substation smoke detec···
2026-08-17
substation 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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Saudi Smoke Alarm Compliance China Manufacturer,4G Standalon···
Saudi Smoke Alarm Comp···
2026-07-29
Saudi Smoke Alarm Compliance 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 Ukraine. Contact: wanlinfirecontrol@163.com
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RTC smoke alarm, 4G Smart Home Smoke Alarm with Voice, WL-SM···
RTC smoke alarm, 4G Sm···
2026-07-29
RTC smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SM607 4G standalone smoke detector certified CCCF/GB 20517-2006/CE/UL 217/EN 14604. Key specs: Dual Light Path Photoelectric + Voice Alert + 4G Cat.1 + Smart Home Integration + WiFi/BT, 4G LTE Cat.1 + WiFi + Bluetooth + Cloud Platform + Voice Prompt + Smart Home Hub + SMS/Pus···
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