Zebra GX420t. Maximum resolution: 203 x 203 DPI. Print technology: Direct thermal / thermal transfer, Print speed: 152 mm/sec. Optional connectivity: Ethernet, Connectivity technology: Wired. Internal memory: 8 MB, Flash memory: 4 MB. Weight: 2.1 kg, Dimensions (WxDxH): 194 x 254 x 191 mm