TTP-243, Thermal transfer Printers, 203 dpi resolution, RS-232/Centronics Parallel port interface, 2MB flash memory and 2MB DRAM memory, up to 76 mm (3.0") per second print speed, ribbon capacity up to 300M (984'), label capacity up to 214 mm outer diameter (8.4" outer diameter), Real-time clock, 2-year limited warranty