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. 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. ConCompatible m USB 1.1 free drive HID (Human Interface Device) 9. Prefect Compatible playing games, also suitable Compatible factory, test, instrument control and disabled, etc Color: Black Material: plastic Compatible with Dos/Windows 2000/XP/Vista/Win 7, Linux (Note: is Compatible 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.