Support Mini Display Port 1.1a Dual-mode input The can support audio output for i (Late 2009) and Book Pro (Mid 2010) Support //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 , or VGA. It is easy and convenient to use, with three output ports: VGA . And you can use one of at a time as your , when you to use the output, you just need to connect the devices using a cable. When you to use the output, you just need to connect the devices using an cable. When you 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://VGA Input: Mini Display Port Male 20pin Output: Female Type A 19pin Connector: Female (24+1) VGA Female 15Pin Vertical Frequency Range:50/60Hz Video Amplifier Bandwidth:2.25Gbps/225MHz //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 : make that your has mini DP port or for port. Only one of the 3 outputs can be used at a time, you cannot use all of simultaneously. Package contents: 1 x Mini DP to VGA 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.