High printing quality at 200 dpi, Paper width: from 50mm to 82.5mm, Paper thickness: from 55 to 110 g/m2, Printing > 250 mm/sec, Eject and retracting function (speed > 1000 mm/s), Paper roll max 150mm (up to 250 mm with optional roll, holder), Highly reliable and sturdy, IN/OUT Port+External near paper end+ETH+USB 2.0 full, speed serial interfaces, 1D and 2D barcodes: UPC A, UPC E, EAN13, EAN8, CODE39,, ITF, CODABAR, CODE93, CODE128, CODE32, PDF417,, DATAMATRIX, AZTEC, QRCODE, International True Type Font characters, Highly durable printing head (150 Km), Highly reliable cutter: > 1,000,000 cuts, MTBF > 450,000 hours