Portable battery operated ear nose hair trimmer is water resistant. This high-speed trimmer grooms hair away wet or dry. High speed rotary blades spin at about 10,000 rpm to safely remove hair away from ears and nose. dutch engineered, this trimmer can be rinsed for easy cleaning. Battery operated trimmer is great for travel and easily fits into a bag or briefcase. Uses 1 inches aa size battery (not included). Includes cleaning brush.