3nStar RPT006S. Print technology: Direct thermal, Type: POS printer, Print columns: 576 dots/line. Printing media thickness: 60 – 80 µm, Maximum roll diameter: 8 cm, Supported paper width: 79.5 mm. Connectivity technology: Wired, USB connector: USB Type-B. Built-in barcodes: CODABAR (NW-7), Code 128 (A/B/C), Code 39, Code 93, EAN13, EAN8, ITF, PDF417, QR Code, UPC-A, UPC-E, Internal memory: 0.25 MB, Storage media: Flash. Product colour: Black