Startech USB to DVI Adapter - External USB Video Graphics Card for PC and MAC- 1920x1200 (USB2DVIPRO2) OverviewThe USB2DVIPRO2 USB to DVI Adapter functions as an external graphics card for Windows® and Mac® computers - the perfect solution for turning your desktop or laptop computer into a dual or multi-monitor environment, all through the simplicity and convenience of USB. The USB-DVI Adapter delivers high quality video (up to 1920x1200) for a variety of applications and is capable of simultaneously running up to five additional displays from a single computer (using four USB2DVIPRO2 External Video Adapters). The adapter connects to a host computer through a USB 2.0 port, acting as an external DVI video card to either extend or mirror the desktop shown on the existing display - without having to open the computer case. Featuring driver support for Microsoft Windows® (including Aero themes) and Mac OS X, and with video support for resolutions up to 1920x1200, this USB-DVI video adapter is the ideal solution for a wide rade of operating environments as well as large-screen displays/monitors. The USB2DVIPRO2 USB to DVI Adapter is backed by a StarTech. com 2-year warranty and free lifetime technical support. The StarTech. com AdvantageThe graphics adapter supports high-performance requirements and high resolution video, making it suitable for connecting large-screen monitorsUSB-powered operation eliminates the need for an external power adapter, enabling you to position an additional monitor without having to make the extra power connection or carry an additional cable for mobile applicationsCompletely external device offers a simple upgrade solution saving the cost and hassle of upgrading the internal video card on your system, which in many cases would void manufacturers warrantiesApplicationsAdd multiple (up to five) monitors / projectors to your computer setup using one USB2DVIPRO2 device for each additional displayView large or multiple spreadsheets across multiple displaysIncrease productivity by running multiple applications on different DVI screens; check your email on one display while editing a document on the otherUse the USB-DVI adapter to connect your PC to your television for showing family pictures and moviesConnect multiple DVI monitors to a single computer to create engaging multimedia presentationsGreat for researchers and writers offering the ability to have reference material on one display and a working document copy on the other