IoT fire door monitor

smart fire platform operator direct from Wanlin — 12-year Chinese smart fire IoT manufacturer, WL-SFP600 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, LoRaWAN + IoT Gateway + Cloud Platform + Long Range (up to 15km) + 4G Cat.1 Backup. Complete smart···

fire door closing programmable device direct from Wanlin Fire Protection — 12-year factory experience, WL-FD105 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + Ethernet + WiFi, Multi-Door Network + Cloud Management, Gateway AC powered + 48h backup; sensors battery-powered. MOQ 100 units, 25-30 working days, OEM/ODM custom brandin···