1. The USB foot switch can be used to control your computer by foot. 2. It is used in playing games, factory testing, controlling instruments, helping the disabled and so on. You can use it by hands or feet for efficiency. 3. It is equivalent to a standard USB keyboard and mouse, but it is customizable by using the setting software, which can define your foot switch as any keys, key combinations or mouse, no other software is required. 4. The number or style of pedals can be customized according to customers request. 5. Multiple foot pedals can be connected to a single computer. You can use different key definition software according to your Windows system. After the completion of set up, the switch can be used on the following operating systems: Linux, iOS, Android etc.Specification: General Model FS2016_USB Product Material ABS, Plastic Input 5V Cable Length About 2m Product Size 14*13.2*3.5cm Weight 270g Package Include Package Contents 1 x User Manual 1 x Keyboard Package Weight One Package Weight 0.39kgs / 0.86lb One Package Size 22cm * 18cm * 4.2cm / 8.66inch * 7.09inch * 1.65inch Qty per Carton 40 Carton Weight 17.80kgs / 39.24lb Carton Size 46cm * 38cm * 44cm / 18.11inch * 14.96inch * 17.32inch Loading Container 20GP: 346 cartons * 40 pcs = 13840 pcs40HQ: 804 cartons * 40 pcs = 32160 pcs