Item Description:   
   ■ Record up to 8 personal voice commands   
   ■ Playback voice commands at the touch of a button    
   ■ Digital recorder allows you to rerecord voice commands   
      over and over thousands of times   
   ■ Digital technology means no moving parts to break or ware out    
   ■ Built in tone generator produces 8 different tones humans   
      can not hear   
   ■ Using ultra high frequency tones heard only by dogs,    
      you can train your dog in silence or slide a switch and    
      use your own prerecorded voice commands   
   ■ No more yelling at your dog in public    
   ■ A safe and easy way to train your dog    
   ■ Four "AAA" Batteries Required ( not included )