The Zebra ZT421 168mm thermal transfer printer featuring advanced technology with its large color touch display, takes performance to an all new level and adapt to your evolving business needs. Intuitive to integrate and operate, the ZT421 features Zebra's Print DNA software powered by Link-OS to deliver unparalleled intelligence and innovation for exceptional performance and simplified remote manageability. The ZT421's all-metal frame provides rugged reliability for extreme environments, while the space-saving bi-fold door design offers an easy fit in space-constrained areas. You also get multiple connectivity options including standard 10/100 Ethernet, USB 2.0, USB Host, RS-232 Serial and Bluetooth 4.1, and has two open media slots enabling you to add Parallel or Wi-Fi connections.