40" MU6400 Active Crystal Colour Ultra HD HDR Smart TV Active Crystal Colour Discover a wider colour range that feels so real with Ultra HD certified & Active Crystal Colour technology. See the beautiful shades of an autumn wood or the rich tones of the latest action movie. HDR See impressive brightness, shadow detail & authentic colour. Watch as every scene bursts from the screen through the combination of Active Crystal Colour & High Dynamic Range. Slim Design The slim form & clean lines make the design perfect for any living space. Smart Hub Discover easy access to all your content & connected devices from one place through Samsung's intuitive 2017 Smart Hub. One Remote replaces the many One Remote automatically detects & controls all your connected devices & content with no manual programming required