heat detector for attic

Commercial Temperature Sensor China manufacturer. Fixed temperature and rate of rise heat detection with EN 54-5 UL 521 CE certification. 4G wireless, IoT smart monitoring, OEM/ODM, wholesale, global shipping to Oman. Contact: wanlinfirecontrol@163.com

heat detector for air quality 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 available. Serving 6···