The Zebra GK420D GK Series Thermal Label Printer is a high-quality label printer that offers monochrome input and black & white output at a maximum resolution of 203 x 203 DPI. With 8 MB of memory and support for A6 paper size, it is ideal for various label printing tasks. This Zebra model features various connectivity options including cable, serial, USB, and Ethernet, making it a versatile and networkable device for businesses. With its compact dimensions of 15.2 cm in height and 17.1 cm in width, the Zebra GK420D is a reliable and efficient choice for printing labels in a professional environment.