The RCA 50″ 2160p Class 4K Ultra High-Definition LED HDTV features a brilliant 2160p Full HD picture for your viewing pleasure. 4K Ultra HD TVs contain millions of pixels, so their resolution is four times that of Full HD, resulting in breathtaking clarity and fine picture details that will amaze, even when viewed up close. Take your entertainment experience to a new level! Experience your sports, movies, and games in stunning detail and clarity. Three state-of-the-art HDMI inputs capable of the fastest 4K signals ensure compatibility with 4K programs. It also has a built-in digital tuner.