System includes: Yapper Stopper with collar strap, rechargeable battery and charger, Test tool, and owner's manual.
- 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
- Size: Medium / Large
- Color: Black