Welcome to the store! 1. Foot-operated switch 2. Made of high-quality plastic and metal, highly durable 3. Pre-programmable switch or key combination on the foot pedal via software 4. Uses OS built-in HID driver routines; no driver installation required 5. Over 100 million uses 6. Plug and play; no driver needed, easy to use 7. Can connect more than one switch to your computer 8. Compatible with USB 1.1 HID (Human Interface Device) driver-free 9. Perfect for gaming, also suitable for factory testing, instrument control, and accessibility applications, etc. Color: Black Material: Plastic Compatible with DOS/Windows 2000/XP/Vista/Win 7, Linux (Note: applies to this item) Dimensions (Switch): 3.9 in x 2.4 in x 1.5 in (10 x 6 x 3.7 cm) USB Cable Length: 77.8 in (198 cm) Net Weight: 106g Gross Weight: 125g Package Size: 162*118*40mm Package Contents: 1 X USB Foot Switch Only the above package contents included; other products are not included. Note: Colors may appear slightly different due to lighting conditions and screen types. The allowable measurement tolerance is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!