Technology: Thermal Max Resolution (B/W): 384dots/line (203DPI) Print Speed (B/W): 15 cm/sec Print width: 79.5 ± 0.5*dia. Media width (max): N/A Roll Diameter: 9 cm Interface: USB Flash Memory: N/A RAM Memory: N/A Dimensions: 140mm (W) x 148mm (D) x 203mm (H) Weight: Approximately 1.9Kg