The Andis Professional GTX-EXO Li Trimmer #74100 is perfect for those who want the convenience of wireless operation with the power and cut of a traditional corded model. Andis GTX comes with a GTX-Z blade that is pre-set with a tighter gap for fine detailing in a custom gold corrosion-resistant coating. The high speed rotary motor delivers 7,200 strokes per minute, the constant speed technology prevents dragging or stalling. The lithium ion battery delivers over 100 minutes of run time and fully recharges in one hour. Universal Voltage 100-240 Volt.