A home video game console is a standardized computing device tailored for video gaming that requires a computer monitor or television set as an output. These self-contained pieces of electronic equipment weigh between 2 and 9 pounds (1–4 kg) on average, and their compact size allows them to be easily used in a variety of locations with an electrical outlet. Handheld controllers are commonly used as input devices. Video game consoles may use one or more data storage device, such as hard disk drives, optical discs, and memory cards for downloaded content. Each are usually developed by a single business organization. Dedicated consoles are a subset of these devices only able to play built-in games. Video game consoles in general are also described as "dedicated" in distinction from the more v