The PetPrime Dog Automatic Ball Launcher Dog Interactive Toy is a novel design that can arouse your dog’s interest and is your dog’s best companion when he is alone at home. It features a pitching hole on the top of the launcher which allows for adjustable distances of 10-30 feet. The ball machine can be used both indoors and outdoors, making it the perfect choice for an automatic fetch game when you are playing and training with your dog.