-Self sharpening titanium blades to cut each hair perfectly 20 built in precision lengths settings from 1/32 inch (0.5millimeter) to 13/32 inch (10 millimeter), easily adjustable and lock in with the trimmer's zoom wheel -Advanced lithium ion battery delivers up to 120 minutes run time after a 1 hour charge -Washable heads for easy cleaning -Beard comb for a skin friendly trim; Automatic voltage: 100 to 240 Volt -The Blade is made out of Titanium
