China Hong Kong IoT fire detection system manufacturer and export supplier for wireless composite smoke and carbon monoxide detectors, LoRa fire detection gateways with dual SIM, wireless manual call points, wireless sounders and beacons, IoT fire alarm control panels, monitoring platform packages and fire alarm transmission links. Wanlin Fire supplies Hong ···
temperature sensor for underground facility direct from Wanlin Fire Protection — 12-year factory experience, WL-HD908 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Matter, Heat + Humidity + Temperature Multi-Sensor Array, AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding availa···