Support Mini Display Port 1.1a Dual-mode input The HDMI can support audio output for i (Late 2009) and Book Pro (Mid 2010) Support 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. Automatic detect the display by plugging and unplugging it. Powered from Mini Display Port source. Overview : The product seamlessly connects Book, Book Pro, or Book Air with a Mini DisplayPort to high definition displays with HDMI, DVI or VGA. It is easy and convenient to use, with three output ports: DVI VGA HDMI. And you can use one of them at a time as your demand, when you want to use the DVI output, you just need to connect the DVI devices using a DVI cable. When you want to use the HDMI output, you just need to connect the HDMI devices using an HDMI cable. When you want to use the VGA output, you just need to connect the VGA devices using a VGA cable. Specification : Colour: Black Material: ABS Input Signal:Mini Display Port 1.1a Output Video:HDMI/DVI/VGA Input: Mini Display Port Male 20pin Output: HDMI Female Type A 19pin Connector:DVI Female (24+1) VGA Female 15Pin Vertical Frequency Range:50/60Hz Video Amplifier Bandwidth:2.25Gbps/225MHz HDMI/DVI/VGA:480i/480p,576p,720p,1080i/1080p External Power Supply:No external power needed Power consumption (Max):700mW The Length of the cable:10cm Notes : Please make sure that your has mini DP port or for Thunderbolt port. Only one of the 3 outputs can be used at a time, you cannot use all of them simultaneously. Package contents: 1 x Mini DP to DVI VGA HDMI Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.