The Panasonic Nose Hair Trimmer and Ear Hair Trimmer ER430K with Vacuum Cleaning System features dual-edged blades to effectively trim nose hairs and detail eyebrows. It uses a built-in vacuum system to remove hair clippings making clean-up simple. The trimmer is wet/dry convenient and fully immersible in water; Simply rinse under water for quick and easy cleaning. Curved hypoallergenic stainless-steel blades leave the proper amount of hairs for natural filtering. The safety cone guides the hair into the blades and protects the skin from direct contact with the rotary blade system. With its portable ergonomic design the lightweight nose and ear hair trimmer fits neatly into bags and luggage for easy use while travelling. Battery operated ear trimmer uses 1 AA-Alkaline Battery (not included) for up to 90 minutes of use.