<br/>This adapter is used to mirror laptop content to the VGA/HDMI/DVI compatible HDTV or projector. The clients could switch the output mode as their demand. <br/><b>Mini Display cord input</b>, connect Mac Book, Mac Book Pro, or Mac Book Air. <br/>DVI output connect the DVI compatible device by DVI cable <br/><b/>4K 3840*216-@30Hz</b>HDMI output connect the HDMI compatible devices by HDMI cable. <br/>VGA output connect the VGA Femal devices by VGA cable. <br/><b>Specification:</b><br/> <br/>Input Signal:Mini Display Port 1.1a and Mini DisplayPort 1.2 <br/>Output Video:HDMI/DVI/VGA <br/><b>HDMI: 3840*2160@30hz</b> resolution and compatible with previous resolution as well: :480i/480p,576p,720p,1080i/1080p <br/>DVI/VGA:480i/480p,576p,720p,1080i/1080p <br/><b>Note: 3 output port work exclusively!</b><br/> <br/><b>Compatible modes:</b><br/> <br/> Amazon 30 days money back protection and 1 year product warranty.