Wide format up to 178mm,powerful processors and high resolution printheads,fast, easy printing various of labels, including barcodes compliant with EAN/UCC standards. Model No: CL-S6621 Width of Paper: 6 inch/ 168mm Printing Speed: 150mm/s Printing Method: Thermal Transfer + Direct Thermal Interface: Serial (RS-232C), USB, LAN, Ethernet,Parallel are optional