LoRa Wireless Fire Alarm Systems for Warehouses | Wanlin Fire · Practical Product and Application Information
residential fire protection
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ETL listed smoke alarm, 4G Smart Photoelectric Smoke Detecto···
ETL listed smoke alarm···
2026-08-17
ETL listed smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-SM600 (4G Smart Photoelectric Smoke Detector) certified UL/CE/EN54. Dual-Wavelength Photoelectric + 4G LTE Cat.1 + IoT Cloud + 85dB Siren + 10-Year Battery. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.