Reliable With the mean time between failures (MTBF) of 360,000 hours and a mechanism life of 15 million lines, you can rely on the TM-T20III in high-volume printing environments. Flexible The TM-T20III comes with a built-in USB interface Fast Its print speed of 250mm/sec can save you time and its competitive price and running costs can save you money; ideal for when you need to beat queues quickly. Specifications: Print technology: Direct thermal Type: POS printer Maximum resolution: 203 x 203 DPI Maximum roll diameter: 8.3 cm Supported paper width: 80 mm Connectivity technology: Wired USB connector: USB Type-B Serial interface type: None Sound pressure level (printing): 55 dB Mean time between failures (MTBF): 360000 h Autocutter durability: 1.5 million cuts Product colour: Black