1 X USB POS Thermal Printer (Black, Paper width 58mm, Compatible ESC/POS Command, Built-in data buffer) Low power consumption,Low operating costs (no ribbons, ink cartridges) Easy paper loading structure, reasonable structure, easy to use maintenance Support cash drawer driving Built-in data buffer (when printing can receive print data) Compatible ESC/POS print commands set . Suitable for Windows2000, Windows XP, Windows2003 ,Windows Vista, Windows 7