4G temperature sensor

ETL Listed Heat Detector manufactured by Wanlin Fire Control — EN 54-5 / CE / RoHS certified heat detector with precision thermistor sensor technology. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for residential, commercial, and industrial fire detection. Contact for bulk quotation.

NB-IoT 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 Vietnam. Contact: wanlinfirecontrol@163.com