The Adesso® iMouse W2 Waterproof Anti-Microbial 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 soft touch offers comfort while providing protection from unexpected spills or debris. The mouse provides three scrolling buttons: Up,Down,and Universal Scroll so you can navigate quickly or in sections. 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 a mouse pad.