Mini DisplayPort DP to Hdmi DVI VGA Adapter , 3 in 1 Thunderbolt Multi-Function Mini Display Port to HDMI/DVI/VGA Adapter M/F Converter Cable Full HD 1080p for Mac Book, Imac, Mac Book Air/Pro - White Function:Support HDMI,DVI or VGA input port You can connect the display to one of HDMI/DVI/VGA output ports (Only one of the 3 outputs could be used at a time,you can not use all of them simultaneously) Compatible:The adapter support HDMI,DVI or VGA input port,seamlessly connect Mac Book,Mac Book Pro or Mac Book Air with a Mini display port to high definition displays.Three different ports meet your different needs Input:Mini Display Port Male 20pin;Output:HDMI Female Type A 19pin;Connector:DVI Female (24+1) VGA Female 15Pin Supports plug and play,and no external power needed.HDMI/DVI/VGA output with the max resolution of 1920x1080p@60Hz,225MHz/2.25Gbps per channel (6.75Gbps all channel),12bit per channel (36bit all channel) deep color. What you get:1 x Mini DisplayPort (Thunderbolt) to DVI VGA HDMI Adapter