IoT Fire Alarm Monitoring for Smart Buildings | Wanlin Fire · Practical Product and Application Information
industrial 4G heat detector
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temperature sensor with LED indicator, Smart Heat Detector w···
temperature sensor wit···
2026-07-10
temperature sensor with LED indicator direct from Wanlin Fire Protection — 12-year factory experience, WL-HD901 fully certified UL 521/EN 54-5/CE/FCC/RoHS/REACH. Key specs: WiFi + Bluetooth 5.2, Fixed Temperature Thermistor + Temperature Compensation, 10-year sealed lithium battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servi···