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Fire Door Alarm with Heartbeat Monitoring China Manufacturer···
Fire Door Alarm with H···
2026-07-15
Fire Door Alarm with Heartbeat Monitoring 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 Romania. Contact: wanlinfirecontrol@163.com
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Fire Door Alarm with Instant Alert China Manufacturer, 4G Wi···
Fire Door Alarm with I···
2026-07-15
Fire Door Alarm with Instant 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 Romania. Contact: wanlinfirecontrol@163.com
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fire door alarm with vibration alert, NB-IoT Fire Door Closi···
fire door alarm with v···
2026-07-15
fire door alarm with vibration alert 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. Se···
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