Technical Parameters System: Linux 3.4 LCD screen: 5- inch capacitance touch screen Vertical resolution:  300 DPI / 600 DPI Speed: max 40m/min character height:  PF160 1.25cm /PF320 2.54cm Font: simhei, simsun, regular, traditional, Arial, DOT, 5x7, 7X9, 10X16, and other graphics: Bitmap format monochrome or 24 - bit color barcode: 128 yards, UPC code, prodLirt code, 29, a job should code, QR codes. DM code counter: max 8 time variables (including seconds) deadline: support USB disk import format: TXT or XLSX information, max size: 3 GB print length: max 2 meters max segments amount: Smax work hours: max 18 hours charging voltage: 16.8 V Language support: ENGLISH