Technology: Thermal Max Resolution (B/W): 384dots/line (203DPI) Print Speed (B/W): 9 cm/sec Print width: N/A Media width (max): 5.7 cm Roll Diameter: 7.5 cm Interface: RS-232C, Parallel, USB, LAN bluetooth (optional) Flash Memory: N/A RAM Memory: N/A Dimensions: 19x13.2x11.9cm Weight: 1.2 kg