fire door hold open alarm

Wireless 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 ···

Data Center 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. Conta···

FM approved fire door device direct from Wanlin Fire Protection — 12-year factory experience, WL-FD106 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: 4G LTE Cat.4 + WiFi 6 + Zigbee 3.0, AI Adaptive Analysis + Multi-Sensor Fusion, AC powered + 48h backup battery. MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. Serving 60+···