A 30-inch TV is a compact television screen that measures 30 inches diagonally from one corner to the opposite corner. This size is ideal for smaller rooms, such as bedrooms or kitchens, where space is limited. Many 30-inch TVs offer high-definition (HD) resolution, providing clear and vibrant images for viewing. These TVs often come with various features, including built-in streaming services, HDMI ports for connecting devices like gaming consoles, and USB ports for playing media. While they may not have the large screen experience of bigger models, 30-inch TVs are popular for their convenience and affordability.