The foot switch is a custom function keyboard for one key or a few key, which can customize any key, key combination, hotkeys or shortcuts keys, and can be applied to medical devices, instruments, computers office, etc. Features: FS2020U1 Foot Switch Can be customized as any buttons, such as combination key, shortcut key, multi-media key, etc., (multi-media function., to achieve one-key open the player, and adjust the volume, etc., gamepad function, to replace any two keys of the gamepad.) Wide Application. Widely applied for working, game, music, mechanical devices, medical devices, audio equipment, etc. Multiple Systems Compatible. Widely compatible with multiple systems, such as for windows, android, linux, etc. More Stable & Non--Slip More stable, and non-slip pad design makes it uneasy to slip, high quality material ensures its durability. Anti-interference USB Plug. Control chipset built in the USB plug, with improved anti-interference capability, and the insert molding makes the inner circuit resistant to water and moisture. No Shaft Structure. Designed with no-shaft structure, for more flexible response and simplicity. Specification: Model: FS2020U1SW Material: Plastic USB: 5V@15mA Lifetime: Over 300,000 times Color: Black Pedals Quantity: 3 Switch: Mechanical Switch Cable Length: 2m / 78.7in Size: 367 * 143 * 45mm / 14.4 * 5.6 * 1.8in Weight: Approx. 429g / 15.1oz Package Size: Approx. 39 * 16 * 4.7cm / 15.35 * 6.3 * 1.9in Package Weight: Approx. 456g / 16.08oz Packing List: 1 * Foot Switch 1 * CD 1 * Manual