Fujian Wireless Fire Alarm Systems | Wanlin Fire · Practical Product and Application Information
fire door closing digital device
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fire door closing sequence, Wireless Fire Door Position Indi···
fire door closing sequ···
2026-07-15
fire door closing sequence 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. Serving 60+ countrie···
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fire door alarm manufacturer, 4G Wireless Fire Door Hold-Ope···
fire door alarm manufa···
2026-07-15
fire door alarm manufacturer direct from Wanlin Fire Protection — 12-year factory experience, WL-FD100 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.1 + WiFi, Magnetic Hold-Open + Position Sensor + 4G LTE, 10-year sealed lithium battery (non-replaceable) or AC 230V + 72h backup. MOQ 100 units, 25-30 working days, OEM/ODM custom br···