fire door monitor for commercial building

fire door monitor for commercial buildings 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 appl···

fire door monitor for mobile office direct from Wanlin Fire Protection — 12-year factory experience, WL-FD101 fully certified EN 1155/NFPA 80/CE/FCC/RoHS/REACH. Key specs: WiFi 6 + Bluetooth 5.2, Wireless Position Sensor + Digital Display, 3-year replaceable lithium battery (2x CR123A). MOQ 100 units, 25-30 working days, OEM/ODM custom branding available. S···