Tunnel Smoke Detector

LoRa gateway 500 nodes WL-LOR-GW100 LoRaWAN Gateway Standard export OEM ODM wholesale

Combination Smoke and CO Alarm 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 Saudi Arabia. Contact: wanlinfirecontrol@163.com