Item Description:   
   ¡ö Record up to 8 personal voice commands   
   ¡ö Playback voice commands at the touch of a button    
   ¡ö Digital recorder allows you to rerecord voice commands   
        over and over thousands of times   
   ¡ö Digital technology means no moving parts to break or ware out    
   ¡ö Built in tone generator produces 8 different tones humans   
        can not hear   
   ¡ö 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   
   ¡ö No more yelling at your dog in public    
   ¡ö A safe and easy way to train your dog    
   ¡ö Four "AAA" Batteries Required ( not included )