This is an electric hair removal device (hair trimmer). It can be used to remove hair from the face, legs, arms, nape of the neck, and delicate areas. The following is from the product description: Safe and beautiful care for delicate areas. 25mm long blade. Includes replaceable blades for easy replacement. Quickly care for the nape of the neck and V-zone. Includes a thinning comb for the nape of the neck and V-zone. Easily care for the nape of the neck with the thinning comb. Thinning comb (5mm, 10mm cut) Naturally evens out the length. Compact and easy-to-use battery-powered pencil type. Alkaline battery type (AAA) sold separately. Power source: Battery-powered Type and number of batteries: 1 AAA alkaline battery