sounder strobe certification

LoRaWAN sounder strobe certification support — 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 ···

NB-IoT Alarm ODM manufactured by Wanlin Fire Control — EN 54-3 / EN 54-23 / CE / RoHS certified fire alarm sounder strobe with reliable audible and visual notification. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for commercial, industrial, and residential fire alarm systems. Contact for bulk quotation.