lecture hall smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP600 smart fire detector certified UL 217/UL 268/UL 2034/UL 864/CE/EN14604/EN54/FCC. 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 15···
4G CO Detector with DC Power China manufacturer. UL 2034 and EN 50291 certified CO alarm with electrochemical sensor, 4G wireless monitoring, 10-year sealed battery, OEM/ODM, wholesale, global shipping to Germany. Contact: wanlinfirecontrol@163.com