21.5" display with 1920 x 1080 (Full HD) resolution and wide viewing angle Built-in DVI-I pass-thru connector handles either digital or analog input and allows connecting to a projector or another monitor Two user-accessible USB ports to support other USB devices Completely flat work surface for comfortable use Adjustable stand allows for 15 to 72 degrees of incline for use at the best angle Patented cordless, battery-free pen with 512 levels of pressure sensitivity for premium signing/writing experience VESA mounting holes allow you to use third party arms and standsOur DTU-2231 Interactive Pen Display combines a 21.5" 16:9 widescreen LCD with Wacom's patented, cordless, battery-free pen technology. Its display is full HD, making it an optimal choice for business applications that benefit from having people work with a pen on a large, wide format screen. It can be used for red-lining and signing documents, annotating and sharing presentations, handwriting on applications or registration forms, creating hand-drawn imagery, and capturing handwritten notes., The DTU-2231 combines a 21.5", Full HD LCD with Wacom's patented, cordless, battery-free pen technology for those who wish to write and draw directly on a large, wide screen. DTU-2231 features and benefits, Downloads Free! 12 Drivers for Wacom DTU-2231 Mouse & Keyboard & Other Input. Here's where you can downloads Free! the newest software for your DTU-2231..