Multi-Sensor Fire Detectors for Warehouses | Wanlin Fire · Practical Product and Application Information
quarry smoke alarm
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Quarry smoke alarm, Smart Smoke Detector, WL-SD-500, Wanlin ···
Quarry smoke alarm, Sm···
2026-08-22
quarry smoke alarm — Wanlin Fire, Chinese smart smoke detector manufacturer and exporter by Wanlin Fire Technology. WL-SD-500 photoelectric smart smoke detector with 4G LTE and NB-IoT dual-mode connectivity, 10-year sealed lithium battery, 85dB sounder, app/SMS/push alerts, remote cloud monitoring. EN 14604, EN 54-7, UL 217, CE, RoHS certified. MOQ from 100···
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replaceable battery, Smart Photoelectric Smoke Detector, WL-···
replaceable battery, S···
2026-07-30
replaceable battery direct from Wanlin Fire Protection — 12-year factory experience, WL-SFP100 smart fire detector certified CE/EN14604/EN54/UL217/UL268/FCC. Key specs: Dual-Wavelength Photoelectric Sensing + Infrared Scattering Chamber + 4G LTE Cat.1 Cellular Communication, 4G LTE Cat.1 + IoT Cloud Platform + SMS/Push/Email Alerts + Remote Monitoring + Sma···