Water-resistant for easy cleaning. 18 length settings from 1/32 - 43/64 inch (1-18 mm) beard and moustache comb. 12 length settings from 1/32 - 7/16 inch (1-12 mm) stubble comb. Precision trimmer; for fine lines, small areas and details. Nose, ear & eyebrow trimmer, to trim unwanted hairs. Skin-friendly trimmer blades with rounded tips. Stay-sharp blades guaranteed best results with self-sharpening blades made of finely ground chromium steel. World's No. 1 electric razor brand. Up to 35 minutes use. 10 hour charge. Cordless use only. 35 minutes cordless power after 10 hour charge. No oil needed. 100-240 volts, automatic worldwide voltage. UL listed: This symbol on the product's nameplate means it is listed by Underwriters Laboratories, Inc.