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cafe smoke alarm, NB-IoT Smart Gas Detector, WL-GA201, Wanli···
cafe smoke alarm, NB-I···
2026-08-17
cafe smoke alarm — 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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laboratory smoke alarm, Smart Smoke and CO Combination Detec···
laboratory smoke alarm···
2026-07-30
laboratory smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke + CO) + SMS/Push/Email + Smart···
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warehouse smoke alarm, Smart Smoke and CO Combination Detect···
warehouse smoke alarm,···
2026-07-30
warehouse smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP200 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Photoelectric Smoke Sensor + Electrochemical CO Sensor + NB-IoT Cellular Communication + Multi-Sensor Fusion, NB-IoT + IoT Cloud Platform + Dual Alarm (Smoke + CO) + SMS/Push/Email + Smart ···
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