Zebra ZD421 USB Direct Thermal Printer (ZD4A042-D0EM00EZ) - Resolution: 203 Dpi, Type of printing: thermal, 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, Software: Link-OS