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Temperature Sensor for Transformer China Manufacturer, 4G Wi···
Temperature Sensor for···
2026-07-10
Temperature Sensor for Transformer 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 Australia. Contact: wanlinfirecontrol@163.com
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Basement Heat Alarm China Manufacturer, 4G Wireless Heat Ala···
Basement Heat Alarm Ch···
2026-07-10
Basement Heat Alarm 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 Australia. Contact: wanlinfirecontrol@163.com
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NB-IoT IoT heat detector, 4G Wireless Heat Detector, WL-HD90···
NB-IoT IoT heat detect···
2026-07-10
NB-IoT IoT heat detector direct from Wanlin Fire Protection — 12-year factory experience, WL-HD900 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, Fixed Temperature + Rate-of-Rise Dual Sensor (57°C / 135°F), AC powered + 72h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ cou···
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temperature sensor for library, Premium Heat Alarm with Mult···
temperature sensor for···
2026-07-10
temperature sensor for library 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···
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