YM-280DW-S(SS304) Waterproof double magnetic lock with signal output is designed for metal doors, wooden doors, fireproof doors, glass doors, it's IP-68 rated.can be used outdoors and environment with high humidity and high salinity. The shell and mounting plate are made of 304 stainless steel. There is a set of lock status signal (NO/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.