The Wahl Performer Stubble Beard Trimmer is ideal for shaping, defining and trimming stubble, beards, facial hair, necklines and sideburns. It comes complete with a four-position comb providing varying lengths of cut, as well as four close cut guide combs for fine trimming and detail work. It is battery powered which gives you ease and freedom of movement. Model number: 5537-217. Cutting lengths: 0.5-7mm. Worldwide voltage for easy use around the globe. Not washable. 3 attachments: 3 attachment combs and 1 multiposition adjustable comb. High carbon steel blades. 1 head. For dry use. Cordless use. Accessories include: cleaning brush, oil, moustache comb, 2 pin adaptor . General information: Battery powered. Batteries required 2 x AA (not included). Manufacturers 3 year guarantee.