①.Product Name: Tennis Reward Machine ②.Packaging size: 22x23.5x20cm (measured manually) ③.Product size: 16x16x20cm ④.Packaging list: Reward machine body x1, Instruction manual x1, tennis x1 ⑤.Interactive dog toys: Dogs love to pick things up, and with the dog ball thrower, your dog can play his favorite game even when you're not home. ⑥.Dog game: The automatic dog ball launcher acts as a dog throwing toy, not only to train your pet's patience and consistency, but also to develop your dog's intelligence. ⑦.Adjustable distance: Tennis launcher for dogs can throw the ball to 3 different distances. Choose from three different preset launch angles to set the throw distance for your surroundings. ⑧.Make sure to give your dog a break from the tennis machine every 15-20 minutes. Fetching the ball can be exhausting, and sometimes dogs love it so much that they don't know when to stop.