<br/>This adapter is used to mirror laptop content to the DVI compatible HDTV or projector.<br/> <br/>Mini Display cord input, connect Mac Book, Mac Book Pro, or Mac Book Air.<br/> <br/>DVI output connect the DVI compatible device<br/> <br/><b>Specification:</b><br/> <br/>Input Signal:Mini Display Port 1.1a<br/> <br/>Output Video:DVI<br/> <br/>Input: Mini Display Port Male 20pin<br/> <br/>Output: DVI Male (24+1)<br/> <br/>Vertical Frequency Range:50/60Hz<br/> <br/>Video Amplifier Bandwidth:2.25Gbps/225MHz<br/> <br/>DVI:480i/480p,576p,720p,1080i/1080p<br/> <br/>External Power Supply:No external power needed<br/> <br/>Power consumption (Max):700mW<br/> <br/> <br/><b>Compatible modes:</b><br/> <br/>Mac Book Air, Mac Book Pro, iMac, and Mac mini with thunderbolt ports since 2011 are all supported.<br/> <br/>Mac Book Air, Mac Book Pro, iMac, and Mac mini or PC with mini display port are also supported.<br/> <br/><b>How to use:</b><br/> <br/> The product is easy to use, just plug in and play</br> <br/>You should assure that if your Mac has one of the following two kinds of port : <br/> <br/><b>Mini Display port</b> <br/><b>Thunderbolt 2 instead of Thunderbolt 3</b><br/><br/><br/><b>What's in the Package</b><br/>1 Pack Mini DisplayPort to DVI 3 Feet Cable