Fastsnail USB 3.0 to VGA Multi Monitor External Video Card Adapter for Windows 7 8 Multiple Monitors Black HIGH RESOLUTION - With USB 3.0 technology, this adapter supports resolutions up to 1920x1080 (1080p Full HD) including 720p and 1600x1200 for HDTV monitors or projectors. LITTLE THINGS, BIG FUNCTION - The USB3.0-VGA Display Adapter enables you to connect additional display devices(CRT/LCD monitor, projector) to your desktop or notebook PC.The connected monitor can be configured to either clone your primary screen, or extend the Windows desktop allowing visibility of more applications at the same time. ATTENTION: NOT compatible with Mac, Win 10 and Surface Pro 3. USB 3.0 supports: 1920*1080 (Max). Compatible with USB 2.0, but supports ONLY: 800*600@60Hz. So to ensure high resolution output, please ensure that the port is USB 3.0, video is high-resolution and the monitor support high-resolution. MORE CONVENIENT - The flexibility of the common USB 3.0 technology avoid the need to open the computer or struggling with compatibility issues related to the VGA card. MORE STABLE - Because we improve the design of chips, mainboard and circuit to make it more stable when transmitting signal. So our adapter is more stable performance, and not easy to skip the screen.