Bluetooth Low Energy 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 Qatar. Contact: wanlinfirecontrol@163.com
NB-IoT Smoke Alarm System China manufacturer. CE EN14604 UL RoHS FCC certified. 4G wireless smoke detection solution for Oceania market. OEM/ODM, wholesale, global shipping. Contact: wanlinfirecontrol@163.com