eErlik Network Interface Latest Speedy Version 3 in 1 Gold Plated Mini DisplayPort Thunderbolt to HDMI/DVI/VGA Cable Adapter Colour:white   About eErlik Mini Display Port (Thunderbolt 2 Port) To HDMI/DISPLAY PORT/DVI Cable Adapter Converter   Compatible with Apple Macbook, Macbook Pro, iMac, Macbook Air, Mac Mini, Surface Book and Pro Series, ThinkPad Carbon X1 Series; Compatible objective device: Projector, display, HDTV.  Lightweight and portable adapter for connecting a Mini DisplayPort (Thunderbolt port) to HDMI, monitor or projector with HDMI/DVI/DISPLAY PORT cable.  DP V1.2 enables hight color range (supports Full HD 4K x 2K) over standard displayport connector.  Mini DP V1.2 Version, backward compatible with DP V1.1, given much faster transfer rate up to 5.4Gbps per lane to enable emerging dispaly applications.  Features :   Lightweight and portable adapter for connecting a Mini DisplayPort (Thunderbolt port) to HDMI, monitor or projector with HDMI/DVI/DISAPLY PORT cable  White Color, main body dimesion: 3.3*1.7*0.6 inch   Mini DP V1.2 Version, backward compatible with DP V1.1, given much faster transfer rate up to 5.4Gbps per lane to enable emerging dispaly applications.   Note :   Can only convert signal from Mini DisplayPort to HDMI/DVI/DISPLAY PORT. This is not a bi-directional adapter.  Please make sure the movie is 4K x 2K and make sure TV or Display support 4K x 2K resolution, then you can get the 4K x 2K image, or you only get standard image(not 4K result).  Warranty from eErlik :   All eErlik Product Backed by 1 year Warranty