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tiny house smoke detector
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LoRaWAN photoelectric smoke detector, WiFi Smart Photoelectr···
LoRaWAN photoelectric ···
2026-08-17
LoRaWAN photoelectric smoke detector — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM603 (WiFi Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Photoelectric + WiFi 6 + App Control + Voice Alert + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.