Lithium-ion battery delivers constant power and offers over 4 hours of run time from a single charge Intelligent 5-speed control for cutting all hair types Digital LCD display shows speed and battery levels Sharp titanium ceramic blade cuts through any type of hair Blade adjusts from 1mm to 1.9mm - locking switch keeps blade in place while cutting 10-piece kit includes everything you need to give a hair cut at home, including two reversible attachment combs for 4 cutting lengths