addressable sounder strobe

ceiling VAD EN 54-3 Sounder and EN 54-23 Visual Alarm Device export OEM ODM wholesale

LoRaWAN addressable sounder strobe — 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 weatherpro···