... .2,Seamlessly with AutoCAD,CorelDRAW,AI and many other graphics software, imageoutput directly.3,Supports serial port, USB port and SD ... ModelHW630StandOptionalMain Board32-bit CPU, 4MB high speed CACHEControl PanelButton Keyboard, LED ScreenDriverleading shaft, high torque motor and micro-step driverLocating SystemPrecise ...