Keyboard for Life Wireless Desktop Set features a spill-proof keyboard and an ambidextrous mouse. A thin membrane surrounds the keyboard and underneath the keys to ensure accidental spills from water, coffee, soda or other liquids won't damage the electronics and can be simply wiped away. Keyboard meets MIL-STD-810H Method 504.3 Contamination by Fluids testing for resistance to break down when exposed to cleaning and disinfecting solvents, such as alcohol and bleach, for at least 24 hours. Full-size keyboard features six rows of keys with a numeric keypad to maximize productivity. Mouse provides a two-button, scroll wheel design with a high-definition, 1000 dpi sensor for precision control that's perfect for both right-handed or left-handed users. Compact nano receiver creates the ultimate freedom and mobility with a completely reliable wireless connection. Simply insert the wireless USB receiver into your device to activate plug-and-play installation.