CNC router, mini CNC engraver, desktop CNC engraving machine: Diameter for the cutters 3.175mm(6mm) Table size 300*300mm Command HPGL G code Engraving speed 0.1-70mm/s Memory 1 M Delicacy 0.0125mm Interface RS-232C serial mouth Power supply AC220V/50Hz-60Hz Spindle speed 0-30000RPM Spindle power 800W Weight 60 kg