Jdv09 dp (thunderbolt) to vga & hdmithis product is a new portable mini dp (displayport) to hdmi + vga video convertor adaptor. using a simple and fashionable design. It can transfer the images on your mac book, mac book pro and mac book air. and, it has the mini display port interface to your displayer or projector and other devices. moreover, it has the newest built-in dp 1.2 chip. The hmdi support the resolution up to 4k x 2k (4 x 1080p)it support the 3d and vga, svga, xga, sxga, and uxga output. So it can offer the high-quality solution of video to digital entertainment center, data center, school and enterprise training, etc. with this product, you can greatly enjoy the movies and videos.support the displayport 1.2 standard; it can also compatible with displayport v1.1a standardsupport hdm1.4 standardsupport fully connectlink the mini displayport interfacethe hdmi support the resolution up to 4k x 2k (4 x 1080p), support 3d.support the image realizing the extended functionsupport sleep modesupport the vga, svga, xga, sxga and uxga outputsupport the resolution: 480i, 576i, 480p, 576p, 1080 and 1080pusing used electricity from the mini display port interface, no need the external power source