Technology: Thermal Max Resolution (B/W): 384dots/line (203DPI) Print Speed (B/W): 9 cm/sec Print width: 57.5±0.5mm Media width (max): 5.7 cm Roll Diameter: 6 cm Interface: USB Flash Memory: 40 K RAM Memory: N/A Dimensions: 19x14.5x12cm Weight: 1.27 kg