YM-280(BLED) Single door magnetic lock with signal output is designed for wooden door, metal door, glass door and fireproof door. There is a set of lock status signal (NO/NC/COM) output contacts, which provides real-time feedback for the access control system. The lock body is equipped with a large LED light . The green light indicates unlocking , and the red light indicates locking .YLI magnetic locks are produced with special welded lock core and enhanced electromagnetic holding force, providing 2 to 3 times stronger impact resistance and torsional resistance than conventional production processes . The surface is treated with the internationally leading electroplating process and the lock itself has passed the 240-hour salt spray test in the national laboratory, achieving excellent performance of anti-oxidation, anti-rust and anti-corrosion. It is suitable for office buildings or places with high salinity and humidity (such as subways, airports, nuclear power plants, cross-sea bridges, port terminals, medical institutions, coastal city buildings, etc.). Our company offers a complete range of brackets for different locks, effectively meet the requirements of various installation scenarios.