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Temperature Sensor with Phone Call Alert
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Heat Detector with SMS Alert China Manufacturer, 4G Wireless···
Heat Detector with SMS···
2026-07-10
Heat Detector with SMS Alert 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 Qatar. Contact: wanlinfirecontrol@163.com