This USB 3.0 to HDMI adapter turns available USB 3.0 port of your PC into a HDMI output up 2048 X 1152 pixels.Easy and cost-efficient solution for those laptop or desktop PC users to expand their computer screens through hookup with additional monitors for larger and wider viewable areas.The adapter can also duplicate your primary screen, showing the same image on each display.Easy multi-tasking solution when using multiple monitors for displaying individual software at full screen instead of software windows crammed on one screen.[Note]: USB 3.0 port is required for the setup and operation. Clone Or Expand Existing ScreenThis USB 3.0 video card offers full flexibility to clone or extend computer visible space to additional TV monitors for visual aid or presentation.Supreme High Resolution OutputThis video display adapter supports up to 2048 X 1152 pixels. Enjoy the ease of use with crisp, fine and flicker-free images.Easy Screen ExpansionUsers can install multiple of these external video adapters on one PC at the same time. One video adapter for each additional TVs or HDMI monitors for display of multiple contents from one computer on multiple displays.An essential video display adapter for those who need to cross reference iew lots of data or documents.Dual Display Mode SupportMirror/Clone mode will duplicate the PC screen onto other connected monitors for simultaneous displays of the same PC screen. A great tool for presentation of your multimedia content like powerpoint or slideshow. Extend mode will expand computer screen horizontally or vertically across additional monitors connected for larger and wider screen display.Screen Rotation HDMI output screen can be rotated or flipped for portrait or landscape style display for presentat