The Adesso iMouse W4 Waterproof Antimicrobial Optical Mouse is the ideal pointing device for the industrial, medical and maritime industries because it is 100% waterproof and offers unique washing capabilities to eliminate germs and bacteria. The mouse also provides a unique inner air-tight case which prevent any moisture or liquids accidentally getting inside the mouse. Finally,the optical sensor technology keeps the device precisely on point and lets you work on most of glass, wood, marble and leather surfaces without the need a mouse pad. (Solution: Health)