Zebra ZD421 Thermal Transfer Printer (ZD4A042-30EE00EZ) - Resolution: 203 Dpi, Type of printing: thermal transfer, Printing Speed: 152 mm / second, Memory: 512 MB Flash, 256 MB SDRAM, Media types: Roll or fanfold, die cut or continuous with or without black mark, card stock, continuous receipt paper, wristbands, Interface: USB, ETHERNET, Bluetooth, Software: Link-OS