Andis Professional GTX-EXO Cordless TrimmerAll the strengths of the Cordless T-Outliner with next-level performance from the modified housing and new GTX-Z blade With classic performance you love from the original cordless T-Outliner® in an intuitive shape, enhancing visibility for precision detailing GTX-Z blade is pre-set with a tighter gap for fine detailing in a custom gold corrosion-resistant coating Powerful lithium-Ion battery delivers over 100 minutes of runtime on a single charge Extremely powerful, high-speed rotary motor delivers 7,200 strokes per minute with advanced Constant Speed Technology for ultimate blade performance through all hair types Cord/cordless operation for no downtime behind the chair and no waiting for charging