The 4-Series 4K TCL Roku TV delivers stunning Ultra HD picture quality with four times the resolution of Full HD for enhanced clarity and detail, as well as endless entertainment with thousands of streaming channels. High dynamic range (HDR) technology delivers bright and accurate colours for a lifelike viewing experience. In addition, your favourite HD shows, movies, and sporting events are upscaled to near Ultra HD resolution with 4K Upscaling. The simple, intuitive Roku interface allows seamless access to over 500,000 streaming movies and TV episodes, your cable box, Blu-ray player, gaming console, and other devices without flipping through inputs or complicated menus.