The Zebra ZP450 thermal label printer is a small, compact, desktop-size barcode shipping label printer designed specifically to print UPS WorldShip thermal shipping labels. It also prints USPS 2-D data matrix stamps. If you print a couple of labels a day or run a booming business shipping a hundred packages a day, the Zebra ZP450 printer will keep up and give you reliable performance for a variety of other business applications. The Zebra 450 printer is a direct thermal label printer and prints with no ink, this is its biggest advantage. It uses thermal printing that utilizes no ink, but instead uses heat to burn the images with high resolution 203 dpi (8 dots/ mm) into the label; with thermal direct technology, you will never need to refill ink or toner, which can equal big savings if you print a lot of labels! FEATURES High-speed shipping label printer prints up to 5 inches/second (5 ips)