Mini-printer External printer,easy to operate and use. Features:NO.1 ... .7 Support printing graphics and barcodPrintPrinting MethodThermal LinePrinting Speed70mm/s or 20lines/sResolution8 dots/mm, 384 dots/lineEffective Printing ... ,ITF,CODEBAR,CODE93,CODE128sterilizing dataPrint by optional external mini-printer or download USB portEmulationESC/POSDriverWindows98/2000/NT/XPSensorPaper End SensorDrawer ...