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4K Resolution, also known as Ultra High Definition (UHD), refers to a display resolution of 3840 x 2160 pixels. This is double the horizontal and vertical resolution of 1080p, resulting in a significantly sharper and more detailed image. 4K Resolution is often associated with 4K Televisions, which are television sets that are capable of displaying this high level of detail. These televisions are part of the larger category of Electronics and specifically Television Sets. 4K Resolution provides a more immersive viewing experience, making it an ideal choice for watching movies, playing video games, and viewing other high-definition content. The increased pixel density also allows for a wider color gamut and better contrast ratio, resulting in more vibrant and lifelike images.