The Wahl Pocket Pro is a handy, compact trimmer better for trimming beards, sideburns, facial hair and hair lines. Runs on just one AA battery which is included in the kit. This kit comes complete with two close trim attachment combs (3 mm and 4.5 mm) and an adjustable six position attachment comb offering cutting lengths of 2 mm, 5 mm, 8 mm, 10 mm, 12 mm and 14 mm. The soft touch rubberised finish offers improved grip and comfort whilst in use.