1、SAFE AND RELIABLE: It is a great toy for active or bored medium and large dogs, we can rest assured that we don't have to worry about the dog ball being swallowed by the dog when the dog is playing with it. 2、WIDELY APPLICABLE: The automatic rolling ball dog toy has enhanced strength to move in more scenarios such as tile floors, wooden floors and thin plush mats. 3、MOTION SENSING: The dog ball has a built in motion sensor, when you turn on the switch, the LED light will light up to attract your dog's attention. Waterproof rating is IP54, suitable for indoor and outdoor use and play. 4、FUN TOY: When you can't take care of them because of work, turn on this toy for them, this toy can keep your dog busy and have fun. It can keep them from being bored and also keep their brain active. 5、RECHARGEABLE DESIGN: Powered by 800mAh battery, the battery capacity has been upgraded to keep the dog ball active for a longer period of time, charging for 1.5 hours, it can be played continuously for 5 hours. Item Type: Interactive Dog Ball Toy Product Material: ABS Battery Information: 800mAh Lithium Ion Battery (Shipped with Built in Battery) Waterproof Rating: IP54 1 x Dog Ball 1 x Charging Cable 1 x Instruction Manual