Wahl’s Diamond Edge Lithium-Ion Rechargeable Beard Trimmer allows you to trim, shave and detail with confidence. The included ultra close-cutting black diamond finish stainless steel trimmer blade is guaranteed to cut smoother, stay cooler, and reduce the need to oil blades. This blade cuts 4 times closer than a traditional Wahl trimmer blade, providing super close trimming while causing less skin irritation and improving hair feeding. To help remove unwanted ear and nose hair, this kit comes with an ear, nose, & brow trimmer head and a precision detail trimmer head for hygenic detail grooming. Add any of the 12 premium guide combs to the trimming blade to achieve even cutting lengths between 1/16″-1″. These Pro-Guard guide combs contain extra durable material that make them 35% stronger than standard Wahl trimmer guide combs, large name plates with easy-to-see comb sizes, and stainless steel attachment clips that allow them to securley fasten to the trimmer blade.This trimmer also comes with rechargeable Lithium-Ion technology that provides up to a 6 hour runtime on a full 1 hour charge and a 5 minute quick charge with a 1 minute charge. Simply plug the trimmer into charge and unplug when ready to use. This facial hair trimmer also contains 100-240 voltage, making it great for travel.