The Braun Precision Trimmer provides you with the freedom to create a variety of looks exactly how you want them Two trimming combs create precise styles down to the very last millimetre while the extra small trimming attachment helps to define sharp lines & shapes Precision trimmer 5 mm comb Trims your facial hair to a length of exactly 5 mm 8 mm comb Trims your facial hair to a length of exactly 8 mm Washable head & combs The ergonomic shape lets you handle the Braun precision trimmer intuitively & flexibly Enjoy full freedom to create a variety of looks precisely as you want them The Braun precision trimmer works with a common AAA size battery One is included already It will last up to 120 minutes of trimming