1. Control your computer with your foot 2. Made of high quality plastic et metal, very durable 3. Pre-program key or key combination on the foot pedal by software 4. the OS in HID drivers, t need do the driver-instill-ting 5. More than 100,000,000 long life 6. Plug and play, no driver is required, easy to 7. Can more than one switch to your computer 8. Conform USB 1.1 free drive HID (Human Interface Device) 9. Prefect for playing games, also suitable for factory, test, instrument control and disabled, etc Description: Color: Black Material: plastic with Dos/Windows 2000/XP/Vista/Win 7, Linux (Note: is not available 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 products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.