Keyboard Device interface: RS-232 Built-in display Black Designed for applications where space is at a premium, Zebras Keyboard Display Units (KDUs) connect directly to Zebra printers and eliminate the need for bulky host computers. Available in two models, the ZKDU and KDU Plus, these accessories are compatible with Zebra EPL and ZPL programming languagesensuring they operate with most Zebra desktop, high-performance and industrial or commercialprinters.Zebra KDUs enable users to quickly and easily:- Retrieve stored forms.- Enter variable data.- Print labels in stand-alone mode.Since all work can be conducted at the point of application, Zebra KDUs help users eliminate time spent walking back and forth from a dedicated printer, and reduce associated costs and errors. Features Built-in display Yes Keyboard key switch Membrane Product colour Black Device interface RS-232 Product type Keyboard