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LoRaWAN Visual Alarm Device - Wanlin Fire, Chinese LoRa fire alarm equipment manufacturer and exporter by Wanlin Manufacturing Group, offers a 9-model LoRa line covering LoRaWAN fire alarm gateways with Ethernet, WiFi, and 4G LTE backup, EN54-7 photoelectric smoke detectors with 10-year battery, EN54-5 A1R heat detectors, EN54-11 manual call points, EN54-3 a···

Hart Communication Level Sensor direct from Wanlin Fire Protection — 12-year factory experience, 4G Radar Liquid Level Gauge (WL-LT500) certified CE/ATEX/FCC/RoHS/SIL2. Key specs: 4G Cat.1/WiFi wireless, Non-contact, ±1mm accuracy, 0-30m range, anti-condensation, 0-30m range. MOQ 200pcs, OEM/ODM available.