Multi-Sensor Fire Detectors for Warehouses | Wanlin Fire · Practical Product and Application Information
fire door closing remote
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fire door closing maintenance free device, Wireless Fire Doo···
fire door closing main···
2026-07-15
fire door closing maintenance free device direct from Wanlin Fire Protection — 12-year factory experience, WL-FD104 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: RF 433MHz + 4G LTE Backup, Magnetic Reed Switch + RF Wireless, 5-year replaceable battery (2x D lithium). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Servi···