1. Control your computer with your foot2. Made of high quality plastic et metal, very durable3. Preprogram key or key combination on the foot pedal by software4. Use the OS built in HID drivers, dont need do the driverinstill5. More than 100,000,000 times 6. Plug and play, no driver is required, easy to use7. Can connect more than one switch to your computer8. Conform USB 1.1 free drive HID (Human Interface Device)9. Prefect for playing games, also suitable for factory, test, instrument control and disabled, etcColor: BlackMaterial: plasticCompatible with Dos/Windows 2000/XP/Vista/Win 7, Linux (Note: is for this item)Length x Width x Height (Switch): 3.9 inch x 2.4 inch x 1.5 inch (10 x 6 x 3.7 cm)Length (USB cable): 77.8 inch (198 cm)Net Weight: 106gPackage weight: 125gPackage size: 162*118*40mmPackage Contents:1 X USB foot switchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.