Trim exact lengths & cut contours precisely: Two trimming combs create precise styles down to the very last millimetre. The 5mm comb ensures a consistent, tidy trim time and again, while the 8mm comb ensures longer facial hair remains perfectly groomed. Create the perfectly groomed look: The Precision Trimmer has an extra small trimming attachment to define sharp lines and shapes. It also lets you trim those hard-to-reach areas like under your nose and chin. Fully washable: Washable head and combs allow for easy cleaning under running water. Trimming stand: Provides the perfect place to keep your Precision Trimmer between uses. Battery powered: Includes a Duracell AAA battery for up to 120 minutes of precision trimming.