Specification:
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:28cm
Color:snowy white
Package weight:1.9 oz/54g
How to use it:
The product is easily and conveniently use， with three output ports:DVI VGA HDMI and a Mini Display Port.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. And when you want to use the HDMI output， you just need to connect the HDMI devices using a HDMI cable. When you want to use the VGA output， you just need yo connect the VGA devices using a VGA cable.The Mini Display Port meed to connect Book， Book Pro， or Book Air.
How to set the resolution :
You can go into “System Preferences” > “Display“. You\'ll be able to see 2 display preferences dialog， one for your prime MacBook display and one for the external monitor. You can use the settings in dialogs to adjust the screen resolution， color intensity and if you have a monitor that can be swiveled (rotated) you can tell OSX to rotate the display to a certain angle for that particular display.
