Technology: Thermal Max Resolution (B/W): 203 dpi Χ 203 dpi Print Speed (B/W): 150 mm/sec Print width: 72 mm Media width (max): N/A Roll Diameter: N/A Interface: USB 2.0 Type B, Parallel (optional), RS-232 (optional), Ethernet interface Flash Memory: N/A RAM Memory: N/A Dimensions: 148 Χ 140 Χ 203 mm Weight: Approximately 1.9 kg