1, Auto PCB Punching Machine 2, Table Size: 780*1380mm 3, Operation Mode: Steppe 4, ... Working Voltage: AC380/50Hz or AC220/50Hz Auto PCB Punching MachineParameters: 1, Table Size780*1380mm2, Operation ModeSteppe3, Working VoltageAC380/50Hz ... large power motor with low noise;5) Humanistic design, the machine can be disassembled, so it is easily transported. Auto PCB Punching Machine