Ultimate comfort, no pulling guaranteed With Protective Guard System. The Norelco Nose Trimmer 3000's Protective Guard System comfortably trims unwanted nose, ear and brow hair. Includes linear and rotary trimmers, a lithium battery, and 2 eyebrow guards. Fully washable. Easy to clean. NEW Protective Guard System protects sensitive skin by providing a barrier between skin and blades. Dual-sided steel blades efficiently cut unwanted hair without pulling. Two year warranty.