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YM-280ISD(LED)-VP Double door magnetic lock is designed for wooden door, metal door, glass door and fireproof door. lt is equipped with dual functions of infrared sensor automatic unlocking and voice prompt. When the infrared sensor detects people, it will issue a voice prompt of "The door is open" and unlock. The infrared sensing distance is 3 meters and it is wide-angle with 130 degrees. The lock has an adjustable time delay function of 0/3/6/9 seconds. There is a set of lock status signal (NO/NC/COM) output contacts. The lock body is equipped with a large LED light. The green light indicates unlocking, and the red light indicates locking. YLl magnetic lock cores are produced with robotic laser welding technology, 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.Our company offers a complete range of brackets for different locks.