This adapter allows a standard VGA monitor or projector to be attached via a standard USB 2.0 connection. Up to six adapters supported per Windows PC. The virtual USB graphics driver extends or mirrors your desktop. Displays are configured using the standard Windows or Mac display control panels. Windows 10/8.1/8/7/Vista/XP drivers installed automatically via Windows Update. 32 and 64 bit supported for Vista, Win7 and 8. Win 8 Metro DRM apps for video play back (such as Netflix, Hulu) do not work in the presence of DisplayLink drivers. Package includes a USB 2.0 cable and adapter. No power is needed - power is provided by USB. No fan - solution is very low power and completely silent. All standard monitor modes up to that maximum resolution can be set by the device. Multiple Displays We often hear customers say "After using multiple monitors, I can't go back!". If you're doing information work - looking at one document while editing another, researching, or generally working on several things at once - it's indispensable.