The Keyboard makes off-line data entry a breeze! Designed for the retail supply chain customers' need to enter both alpha and numeric data, the 939 Keyboard features a full QWERTY layout with separate calculator numeric keys. The keyboard also features a 2-line x 40-character backlit display for easy prompting and data entry. The Keyboard comes standard with the 9860 Tabletop Ticketing System and as an accessory for the 9855 Tabletop printer.