This product does  not  include a battery, which is needed in order to function. The clipper is used with the universal FXONE battery (FXBB24) that can be purchased  here .  
 Features & Benefits : 
 
 
 Compatible with FXONE Lithium Battery  (FXBB24) —  SOLD SEPARATELY 
 
 Up to 2.5 Hours of Runtime 
 
 
 
 Black Titanium Metal Injection Molded (MIM) Fade Blade (FX8022B) 
 
 Built-in Oil Reservoir for Constant Lubrication 
 Lower Blade Temperature 
 Zero-Gap Adjustable 
 
 
 5-Position Locking Stretch Taper Lever 
 
 N1 Brushless Motor 
 
 Dual Ball Bearings for More Efficiency 
  6,800 RPM / 13,600 SPM 
 Long Life 
 
 
 
 Ultra-Low-Profile Metal Shield Cover 
 
  Ergonomic Grip