Detailed Product 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 )