1. Control your computer with your feet. 2. Made of high-quality plastic and metal, very durable. 3. Pre-program keys or key combinations onto the foot pedal using software. 4. Uses the operating system's built-in HID driver; no driver installation required. 5. Withstands over 100,000,000 cycles. 6. Plug and play, no driver required, easy to use. 7. Multiple switches can be connected to your computer. 8. Compatible with USB 1.1 driver-free HID (Human Interface Device). 9. Perfect for gaming, also suitable for factories, testing, instrument control, and individuals with disabilities, etc. Description: Color: Black Material: Plastic Compatible with DOS/2000/XP/Vista/Win 7, Linux (Note: for this project) Length x Width x Height (Switch): 3.9" x 2.4" x 1.5" (10 x 6 x 3.7 cm) Length (USB Cable): 77.8" (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 is included; other products are not.) Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual item. The allowed measurement error is +/- 1-3cm.