Perfect for backyard ball or sprints down your hallway, the PetSafe Automatic Ball Launcher is an automatic, interactive fetch system. Designed for dogs over 10 pounds who love to fetch, this water-resistant toy keeps your pup happy while giving your arm a break. Adjust dial to launch 8 – 30 feet with 9 distance settings and 6 angle settings. The ball launcher works best with standard size tennis balls and holds up to three balls at a time. By creating safe, stimulating games, PetSafe brand is here to help you and your pet LIVE HAPPY TOGETHER.