1. Control your computer with your foot 2. Made of high plastic et metal, very durable 3. - key or key combination on the foot pedal by software 4. Use the OS built in drivers, t need do the driver-instill-ting 5. More than 100,000,000 6. Plug and play, no driver is required, easy to use 7. Can connect more than one switch to your computer 8. Conform USB 1.1 free drive (Human Interface Device) 9. Prefect for playing games, also suitable for , test, instrument control and disabled, etc Color: Black Material: plastic Compatible with /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: 106g Package weight: 125g Package size: 162*118*40mm Package Contents: 1 X USB foot switch Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.