dormitory smoke alarm — Wanlin, 12-year Chinese smart fire detector manufacturer, WL-CO801 (NB-IoT Carbon Monoxide Detector) certified UL/CE/EN54. Electrochemical CO + NB-IoT + Ultra-Low Power + 10-Year Battery + Cloud. 10-year battery, 4G/NB-IoT/LoRaWAN, OEM/ODM from 500 units, factory direct pricing 50-70% below Western brands.
Juvenile Detention Smoke Detector China manufacturer. Smart fire safety with multi-sensor fusion, AI false alarm elimination, 4G+WiFi dual communication, IoT cloud platform. UL217 & NFPA72 certified. OEM/ODM, wholesale, global shipping to Romania. Contact: wanlinfirecontrol@163.com
Smart Smoke System Cost China manufacturer. Smart fire safety with multi-sensor fusion, AI false alarm elimination, 4G+WiFi dual communication, IoT cloud platform. UL217 & NFPA72 certified. OEM/ODM, wholesale, global shipping to Romania. Contact: wanlinfirecontrol@163.com
Laboratory Smoke Detector 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 Philippines. Contact: wanlinfirecontrol@163.com
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