Zebra QL 220 Plus, RS232 & USB. Maximum resolution: 203 x 203 DPI. Print technology: Direct thermal, Print speed: 3 lpm, Print speed: 76 mm/sec. Interface: USB 2.0, Connectivity technology: Wireless. Internal memory: 16 MB, Flash memory: 8 MB. Weight: 0.47 kg, Dimensions (WxDxH): 90.7 x 75.2 x 181.6 mm