Features Completely Independent: The engraving machine controller is completely independent of the PC platform and reads files directly from U disk Easy to Update: With the powerful system and process file checking function, which is easy to update system programs Quick Machining: This is handle remote control that supports high microstepping, making possible for precise and fast machining File Memory: With the built in 128M memorizer, using mobile memory technology, which supports files of any size Multiple Functions: Cutter adjustment function and spindle control function, and adopts stepper motor drive system Specification: Item Type: Engraving Machine Controller Material: ABS Processor: 160M DSP File Memory: Built in 128M memory, using mobile memory technology to support files of any size Display: LCD 128 Dots x 64 Dots Communication Terminal: USB Terminal and U Disk Axes: 3 Axes Drive System: Step Motor Interpolation Function: Linear, Curve Knife Adjustment Function: Yes Spindle Control Function: Yes System Data Check Function: Yes Process Data Check Function: Yes Processing Position Adjustment Function: Yes Multiple Work Coordinates: 9 Work Coordinates Stop Point Reprocessing Function: Yes Copy Processing Function: Yes Power Failure Data Protection: Yes Operating Temperature: 0℃ to +70℃ Humidity: <90 No dew and no frost External Voltage: 5V Consumes: 2W Package List: 1 x DSP Controller  1 x Terminal Board  1 x 50 Pin Data Cable  1 x USB Cable  Note: 1. Do not use in strong magnetic field or interference environment2. Do not plug and play the USB stick while running the file3. Waterproof, moisture prevention and dustproof Package List 1 x Controller 1 x Terminal Board 1 x 50 Pin Data Cable 1 x USB Cable