... speed, can reach 100mm/s *2 inch android os portable thermal receipt pr 2 inch android os portable thermal receipt ... numbers, symbols, characters, graphics, curves, pre-stored icons, bar code (CODE39,EAN13,EAN8, CODABAR,CODE128,CODE93,ITF) Resolution203DPI / 8 dots ... roll Optional AccessoriesLeather Case,RS-232 Cable Power Adaptor DC9V/2.0A (DC12V optional) Battery Duration 150~200m continuous ...