Print Method Thermal Line Printing Print Speed 50 mm per sec Paper Roll Size Maximum Dia 75 mm Print Width 48 mm Dot Density 203 dpi x 2013 dpi (8 dots / mm) Language English Type Of Paper Thermal Rolls,Heat Sensitive Face Out Side Sensors Paper Out & Cover Open Paper Thickness 0.06-01 mm Reliability Print Head 50 km Power supply DC 10.2V/3A