NB IoT smart smoke detector

basement 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.

4G Wireless Smoke Alarm System China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Eastern Europe market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com