Extreme Precision Blade – Ultra close for shaving or edging like a pro; Use in accordance with the instructions, if you are not comfortable with a close cutting precision blade, we recommended our other Wahl beard trimmers with traditional blades Versatile Wet / Dry Use – Washable showerproof design with our patented low noise extreme precision self-sharpening blades provide an ultra-close superior cutting experience for all hair & beard lengths without sacrificing cutting power or speed Complete Grooming System - 3 Different multipurpose attachments are perfect for all facial hair styles: Extreme Precision T-Blade, Rotary Personal Trimmer, & Detail Trimmer Long-Lasting Battery – Lithium Ion power lasts for years & allows for months of use between charges, quick charge allows for 5 minutes of trimming from only a 3-minute charge Worldwide Voltage – This trimmer can be used anywhere, whether domestically with 110v or internationally with 220v; our long-lasting rechargeable battery makes this trimmer the perfect choice for travel, home use, or business trips The Brand Used by Professionals – For over 100 years, Wahl hair clippers and beard trimmers have been used by professionals in the barbering and salon industry producing above standard premium quality.