1. Control your computer with your foot2. Made of high quality plastic and metal, very durable3. Preprogram key or key combination on the foot pedal using software4. Use the operating systems builtin HID drivers, no need to install drivers5. More than 100,000,000 times long service life6. Plug and play, no driver required, easy to use7. Can connect more than one switch to your computer8. Complies with USB 1.1 free driver HID Human Interface Device9. Perfect for playing games, also suitable for factory, test, setting control and disabled, etcDescriptionColor BlackMaterial plasticCompatible with DosWindows 2000PVistaWin 7, MAC Linu Note MAC Snow Leopard is not available for this itemLength Width Height Switch 3.9 inches 2.4 inches 1.5 inches 10 6 3.7 cmLength USB cable 77.8 inches 198 cmWeight 106gPackage weight 125gPackage size 16211840mmPackage contents1 USB foot switchOnly the above package contents, other products are not included.Note Light shooting 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 13 cm.