1. Control your computer with your foot 2. Made of plastic et metal, very durable 3. Pre-program key or key combination on the foot pedal by software 4. Use the OS built in HID drivers, dont need do the driver-instill- 5. More than 100,000,000 times 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 HID (Human Interface Device) 9. Prefect for playing games, also suitable for factory, test, instrument control and disabled, etc Color: Black Material: plastic Compatible 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: 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.