Spill-proof protection on keyboard with a thin membrane that protects the electronics from liquids. Full-size keyboard layout features six rows including numeric keypad. 1200 DPI optical sensor on mouse provides high-definition tracking for enhanced performance. Comfortable two-button, scroll wheel mouse design is ideal for mobile right-handed or left-handed users. 2.4GHz wireless connection allows for complete freedom and mobility. Plug & Play installation so you can be up and running quickly to start typing and scrolling. Compatible with Windows 8.1/8/7