... 1) Adopt advanced DSP digital control system,international standard laser power supply, integrated framwork style ,high stability and high speed, usb2.0 ... .5 inch1300X900mm51.2X35.4 inch 1400X1000mm55.1X39.4 inch Laser Power 80w (100w ,130w,150w for option ) Engraving Speed ... Windows XP Interface LCD screen with USB interface Max Power 750wSupported Format *.plt,*.dst,*.dxf,*.bmp,*.dwg,*.al,*las ...