The Comprehensive USB3-DVI/VGA/HD Super Speed USB 3.0 Graphic Adapter provides a unique solution to add extra displays to a computer without using traditional graphics card. Users can instantly mirror or extend a desktop onto another display via standard DVI, such as LCD, CRT, projector and plasma displays. This allows the user to experience 1080P resolution . With USB interface plug-n-play and bus power feature, this product brings multi-monitor applications into the mainstream. Unit comes with DVI to HDMI and DVI to VGA adapters. Unit is covered by our 2 year warranty.