Advanced technology with DSP control Switch design in conformity with CE standard. USB interface. The original radio tubes from the USA Professional industrial control computerLaser Generator Hermetic and detached CO2 laser tube Laser Power 40 W , 60W Engraving Area 500*300mm Positioning Precision ± 0.01mm Control System Speedy DSP Supporting Format plt, *. dst, *. dxf, *. bmp, *. dwg, *. al, *las, Support AutoCAD, CoreDraw Engraving Speed 1000mm/s Cutting Speed 500mm/s Interface LCD Screen and USB interface Working Voltage AC220V ± 10%, 50Hz Running Environment 0-45° , Humidity: 5%-95% Warranty One year, except consumable goods Support by calling or email or tranning