Product Model XP-7645III Printing method 9pins serials dot matrix Resolution 400dots Character size ANK, Font A:9*9dots, Font B:7*9dots Simplified Chinese, traditional Chinese:16*16dots Black label orientation support Interface Serial/parallel/USB/ net port Power supply DC24V/2.5A Auto cutter without Printing head life 10 million lines Driver Win9X/WinME/Win2000/WinNT/WinXP Working environment temperature (0~50¡ãc) humidity(10~80%) Storage environment temperature (-10~60¡ãc) humidity(10~90%) Printing speed 4.5lines/sec Paper width 75.5¡À0.5mm Paper external diameter ¦Õ65mm Paper thickness 0.06-0.08mm. Weight 1.56kg Dimension 215x135x105mm Inner:each In A Plastic Bag Outer:each In An Independent Carton 6 Sets In One Carton.