Control your computer with your foot. Made of plastic and metal, very durable. Pre-program any key or key combination on the foot pedal with software. The operating system in HID drivers, no need to install drivers. More than 100,000,000 long lifespan. Plug and play, no driver required, easy to use. Can connect more than one switch to your computer. Compliant with USB 1.1 free driver HID (Human Interface Device). Perfect for gaming, also suitable for factory, test, instrument control, and disabled people, etc. Description: Color: Black Material: Plastic with ABS Support OS: DOS/Windows 2000/XP/Vista/Win 7, Linux (Note: is not available for this item) Length x Width x Height (Switch): 3.9 inches x 2.4 inches x 1.5 inches (10 x 6 x 3.7 cm) Length (USB Cable): 77.8 inches (198 cm) Net Weight: 106g Package Weight: 125g Package Size: 162*118*40mm Package Contents: 1 X USB Foot Pedal 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 to be a little different from the real thing. The allowed measurement error is +/- 1-3cm.