a1r

Wanlin Fire by Wanlin Group - China's leading source manufacturer of subway fire alarm. EN54-5/7/11/25 certified, IN865-867 MHz, true dual optical smoke + A1R heat multi-sensor detection, OEM/ODM. Contact +8613261677119.

LoRaWAN alarm sounder — Wanlin Fire, Chinese LoRaWAN fire alarm equipment manufacturer and exporter by Wanlin Manufacturing Group, WL-LW-MS500 LoRaWAN Multi-Sensor Fire Detector with true dual optical smoke + A1R rate-of-rise heat sensing, EN54-5/7/11/25 certified, IN865-867 MHz LoRaWAN, 15km wireless range, 10-year battery life, IP65 weatherproof. Complete···