fire door position indicator

Library Fire Door 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 applications. Contact fo···

fire door alarm for train stations 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 applications.···

fire door closing notification 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 availab···