Led Indicator : Merah - 12v - GND - Normally Open - COM - Normally Closed Magnetic Door Lock Single Door 280kg / 600Lbs Lock Size : 250 *48 * 25mm Suction iron Size: 130 * 33 * 9.3mm Voltage: DC12V input Current: 450MA Tensile strength: 280KG go button access Security Type: power lock Product Features : No residual magnetism , no mechanical wear , single door / for 90 degrees to open any door frame / frameless door within a door or optional accessories