fire door status indicator

Electromagnetic Fire Door Retainer with Alarm manufactured by Wanlin Fire Control — EN 14637 / CE / RoHS certified fire door alarm with magnetic contact sensor, 85 dB siren, and reliable door position monitoring. Factory-direct pricing with OEM/ODM services, global shipping. Suitable for commercial, healthcare, hospitality, and industrial fire door safety ap···

Fire Door Electromagnetic Holder 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 Singapore. Contact: wanlinfirecontrol@163.com

Fire Door Hinge Sensor 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 Singapore. Contact: wanlinfirecontrol@163.com

fire door alarm for portable building 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 c···