Features: 1When it is inconvenient to use hands or too busy the foot switch can be used to achieve manual keyboard operation or simulate mouse button functions. 2With this foot switch you can control your computer with your foot. Compatible for dos for Win 7 for Win 2000 etc. 3It can be widely used in various intelligent control games instrument control factory testing etc. especially for the disabled. 4The foot switch is easy to use and a computer can be connected to multiple foot pedals. 5Made of high quality material safe and eco-friendly firm and durable. Easy to connect and use. Specification: Condition: 100% NewItem Type: USB Foot SwitchMaterial: ABSWeight: Approx. 161g / 5.7ozApplicable System: For dos / for Win 2000 / for Win xp / for Win vista / for Win 7 / for Linux / for OS XScope of Application: Used for various intelligent control games instrument control factory testing etc.Size: Approx. 10 x 7.2 x 3.2cm / 3.9 x 2.8 x 1.3in Package List: 1 x Foot Switch Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.