IoT Fire Alarm Monitoring for Commercial Buildings | Wanlin Fire · Practical Product and Application Information
heat fire detector
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4G Temperature Alarm China Manufacturer, 4G Wireless Heat Al···
4G Temperature Alarm C···
2026-07-10
4G Temperature 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 Vietnam. Contact: wanlinfirecontrol@163.com
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temperature sensor OEM, Wireless Interconnected Heat Alarm S···
temperature sensor OEM···
2026-07-10
temperature sensor OEM direct from Wanlin Fire Protection — 12-year factory experience, WL-HD905 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: RF 433MHz Mesh + 4G LTE Backup, Fixed Temperature + Rate-of-Rise + RF Mesh Networking, 10-year sealed lithium battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ ···