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paying guest accommodation fire alarm — 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 weather···

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

LoRa modulation fire detector — 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. C···