Dogtra No Bark YS500 (Medium to Large Breeds)

YS500(Low to high power)
Fully-waterproof no-bark collar designed for medium and large breeds, with the same reliable electronics found in the popular Dogtra e-collars.  

Features
   * Activates from the vibration of the dogs' vocal cords
   * Receiver weight 7.5 ounces for medium to large breeds
   * Convenient dial that controls the ON/OFF function and the seven intensity levels
   * LED battery life indicator
   * Fully waterproof

Package Contents
   * Yapper Stopper with collar strap
   * Rechargeable battery & charger
   * Test tool
   * Owner's manual