4K-Ultra HD 4 times more pixels 4 times more details. The Ultra HD (3840 x 2160) resolution is 4 times greater than Full HD. You will be captivated by the perfect precisions of the images on our Ultra HD TVs that display an image with over 8 million pixels. Never miss a single detail be part of the action! The latest standard for UHD content is High Dynamic Range. HDR produces stricking brightness vividly precise colour & dazzling detail images with accurate reproduction of light & dark shades. & allow you to experience HDR content via all sources.HDR HLG (Hybrid Log Gamma) TCL 4K UHD TV's are Hybrid Log Gamma compatible. These models are future proof & capable to display HDR quality whatever the signal source HDMI TV broadcasts USB (Universal Serial Bus) Internet contents Get ready to enjoy live shows & sport events in an unrivalled HDR quality. Micro Dimming for better contrast Micro Dimming analyses the TV picture in around one hundred separate zones to adapt the brightness. Picture quality is significantly enhanced for an exceptional visual experience especially in the dark. Dolby Audio delivers rich clear powerful sound quality Get the most out of your content with dynamic high quality surround sound with Dolby Audio. Whether you are watching films TV programs online videos or concerts Dolby Audio guarantees you audio quality that meets your expectations..