Smart Building Fire Detection for Residential Projects | Wanlin Fire · Practical Product and Application Information
building code compliant fire door monitor
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fire door device supplier China, Fire Door Retainer with Aut···
fire door device suppl···
2026-07-15
fire door device supplier China direct from Wanlin Fire Protection — 12-year factory experience, WL-FD107 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: Acoustic Trigger + 4G LTE + WiFi, Acoustic/Electromagnetic Retainer + Auto Release, AC 230V or 10-year sealed lithium battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding avail···
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NB-IoT fire door device China, 4G Wireless Fire Door Hold-Op···
NB-IoT fire door devic···
2026-07-15
NB-IoT fire door device China 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 b···