1. [Three Modes] Automatic ball launcher with distance mode of 3 meters/9.8 feet, 6 m/19.6 feet, 9 m/29.5 feet, one button remote control, adapts to different sizes of indoor and outdoor spaces. 2. [Rechargeable] Automatic tennis ball launcher with built-in 2200mAh battery, can work for about 5-6 hours after fully charged (depending on actual time). 3. [Mini Tennis Ball] Automatic dog ball launcher is designed for pets and comes with a package, with 3 mini tennis balls, you can also use other balls of similar size as a replacement. 4. [Interactive] You can also play with your pet and enhance the relationship between you and your dog. Train your pet's patience and consistency, and also develop your dog's intelligence. 5. [Premium Material] This ball launcher is made of high quality material. Made of high quality plastic. superior, sturdy and durable to ensure long-term use. Long-term playable à indoors and outdoors. Specification: Item Type: Automatic Dog Ball Launcher. Material: