WiFi temperature sensor

Hotel Heat Alarm 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.

GSM Heat Detector 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 Thailand. Contact: wanlinfirecontrol@163.com

industrial 4G heat detector direct from Wanlin Fire Protection — 12-year factory experience, WL-HD904 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: LoRaWAN 868/915MHz, Fixed Temperature Sensor + LoRaWAN Long-Range Module, 3-year replaceable battery (2x C lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60···