100% waterproof for easy use and cleaning. Patented tube trimming technology for precise trimming of nose and ear hair. Ultra sharp closed cutting system avoids pulling. Guarded system protects against nicks and cuts, 2 eyebrow trimming combs, protection cap and cleaning brush. Requires 1 x AA battery (supplied). Ideal angle for easy reach. Soft grip coating for maximum control. Powerful Precision micro trimmer. Manufacturer's 2 year guarantee.