The USB foot switch can be used to control the computer by foot. They are used in games playing, factory test, instrument control, helping the disabled and so on. You can use it by hands or feet for efficiency. It is equivalent to a standard HID USB keyboard, but it is customizable by using the setting software, which could define your foot switch as any key or key combination. No other software is needed in the using process. The number or style of pedals can be customized according to customer request. A computer can be connected to multiple foot pedals. Use different Key Definition software according to your Windows system. After the completion of set up the switch can be used for: Dos Win 2000 Win XP Win vista Win 7 Linux