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Fire Door Alarm with Email Alert China Manufacturer, 4G Wire···
Fire Door Alarm with E···
2026-07-15
Fire Door Alarm with Email Alert China manufacturer. UL 60930 and EN 16061 certified fire door alarm with real-time position monitoring, 4G wireless alert, fire door status tracking, OEM/ODM, wholesale, global shipping to Indonesia. Contact: wanlinfirecontrol@163.com
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fire door alarm for job site, Fire Door Retainer with Auto-R···
fire door alarm for jo···
2026-07-15
fire door alarm for job site 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 available···
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fire door retainer alarm, NB-IoT Fire Door Closing Reminder ···
fire door retainer ala···
2026-07-15
fire door retainer alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-FD103 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: NB-IoT (LTE Cat-NB1), Ultra-Low Power Position Sensor + NB-IoT, 10-year sealed lithium battery (non-replaceable). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+ cou···
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