... inside FLASH memory, outside USB interface;3. Save 30 programs, each about 2048 lines,64 bytes every line ... ;4. 5.7 inch high-resolution dot matrix LCD, configure ... touch screen and key-press operation modes, easier operation;5. 40 Subdivision stepper motor driver, 1.8°stepper ... to kinds of plasma powers. Portable CNC Cutting Machine with CE certificate and low cost