DTU-1031AX Overview The DTU-1031AX Pen Display is our most economical device for viewing, annotating and signing full size documents electronically. It’s ideal for organizations that need a compact device to let customers read and sign documents on screen. The DTU 1031AX is easy to integrate into kiosk or POS environments with minimal effort and clutter. It’s also comfortable and intuitive for people to use in hand, or lying flat on a counter. In addition, when not in document mode, the DTU-1031AX can display slideshows or advertising videos. This helps organizations run promotions and up-sell with minimum effort and cost For Professional Keyboard Combo