Ring fire alarm alternative

home fire alarm system with smart hub -- Wanlin Fire Protection, 12-year Chinese smart fire protection product manufacturer, WL-SFP200 (NB-IoT Smoke and CO Combination Detector) certified EN54/EN14604/EN50291/CE. NB-IoT + Dual Sensor (Smoke + Carbon Monoxide) + 10-Year Battery + EN14604/EN50291 + Voice. MOQ from 100 units, OEM/ODM from 500 units, 15-20 day d···

four-wire connection direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP600 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC/QCVN. Key specs: Fixed Temperature + Rate-of-Rise Heat Sensing + LoRaWAN Long Range + Ultra-Low Power + Dual Communication, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + 4G Cat.1 Ba···