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smoke alarm, 4G Smart Heat Detector, WL-HD900, Wanlin Fire P···
smoke alarm, 4G Smart ···
2026-07-22
smoke alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-HD900 4G smart fire protection product certified CE/FCC/RoHS/REACH/ISO9001. Key specs: 4G LTE + Thermistor Fixed Temperature & Rate-of-Rise, 4G LTE + SMS + Push + Phone Call + App Alert. No monthly fees, 4G cellular backup, cloud platform, DIY installation. MOQ 100 units, 20-25 w···
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4G temperature alarm, 4G Wireless Heat Detector, WL-HD900, W···
4G temperature alarm, ···
2026-07-10
4G temperature alarm 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+ countri···