ZX1600I Industrial Printer 600 dpi, Print speed:Up to 4 ips, Print width: 4.09“, PL: EZPL/GEPL/GZRL/Auto-Switch,Memory: 32 MB SDRAM /128MB Flash (60 MB for user storage),Interfaces: USB 2.0 (B-Type), Serial port: RS-232(DB-9), Ethernet port (RJ-45), 3 USB Host(A-Type), 2 ports at the front panel, 1 port at the rear panel. Backlight 3.2†touch screen LCD C/w Golabel Software(EZPL only)