Features : Antioxidant capacity surface of magnetic lock, 180 Kg holding force, wooden / glass / metal and fireproof door applicable, widely used in airport / subway / bank / prison / intelligent building, 170 x 42 x 21mm lock size, 130 x 33 x 9 mm armature plate dimension, DC12V input voltage, 24V/150mA working current, 1.2 Kg weight.