**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 and 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 and authentic colour. Watch as every scene bursts from the screen through the combination of Active Crystal Colour and High Dynamic Range. UHD certified Experience Ultra HD certified for true colour and clarity. Samsung certifies that this TV meets DigitalEuropes quality requirements for a UHD TV. Slim Design The slim form and clean lines make the design perfect for any living space.