Handaes USB 3.0 to VGA Multi Monitor External Video Card Adapter for Windows 7/8/10 Multiple Monitors (Blue) NOT compatible with Mac and Surface Pro 3. Make sure your devices have USB3.0 port, USB3.0 supports: 1920*1080 (Max), USB2.0 supports ONLY: 800*600 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. The USB 3.0 Graphic Adapter driver used to control the extra screen uses very little computer resource and offers a vast array of screen resolutions and color depths. 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. NOTE: Driver should be installed for the adapter to function well; if your PC/laptop does not have CD-ROM or the disc is cracked, please do not hesitate to contact us