Frankfurt fire alarm

email fire alert -- Wanlin Fire Protection, 12-year Chinese smart fire protection product manufacturer, WL-SFP600 (LoRaWAN Wireless Heat Detector) certified EN54/EN14604/EN50291/CE. LoRaWAN 15km Range + Heat Sensor (Class A1/A2/B) + 10-Year Battery + EN54-5 + Long Range W. MOQ from 100 units, OEM/ODM from 500 units, 15-20 day delivery, 60+ countries.