The Zebra GK420d Desktop Compact Printer offers increased speed, performance, and support for many applications and environments. The device prints at a standard speed of up to 127 mm per second with fast output of the first label. The set of functions is additionally expanded by automatic detection of a serial port or USB. Maximum load up to 1600-4800 labels per day. The Zebra GK420d thermal barcode printer (d-direct thermal) is ideal for retail, health care, and small businesses if you need low-cost and small barcode thermal labels that are used indoors without direct sunlight and mechanical effects.