temperature sensor for cold storage

Temperature Sensor for Elderly 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 Indonesia. Contact: wanlinfirecontrol@163.com

warehouse temperature sensor direct from Wanlin Fire Protection — 12-year factory experience, WL-HD907 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: Bluetooth 5.0 + 4G LTE (optional), Fixed Temperature Sensor + Compact Design, 2-year replaceable battery (1x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving ···