Features 1、Safe PC TPU Materials: Made of premium PC and TPU materials, this dog ball is safe, no toxic, and resistant to biting. With an IP54 waterproof rating, it is reliable and long lasting. 2、Built In Motion Sensor: The active rolling dog ball features a built in motion sensor that allows it to move on various surfaces such as tile floors, hardwood floors, and thin carpeting, providing more interactive play opportunities for your pet. 3、LED Light for Engagement: When you turn on the switch, the LED light on the dog ball lights up, capturing your dog's attention and preventing boredom. This feature also helps to keep your dog's brain active during play time. 4、Perfect For Busy Pet Owners: When you're unable to spend time with your pet due to work commitments, simply turn on this interactive toy to keep your dog entertained and engaged. It's a great toy for active or bored dogs. 5、Indoor And Outdoor Fun: Suitable for both indoor and outdoor play, this automatic moving dog ball is of a moderate size that allows you to relax while your pet plays without worrying about them swallowing it. Item Type: Active Rolling Dog Ball Material: PC, TPU Weight: Approx. 90g/3.2oz Battery: Lithium Battery 300mAh (Shipped with Built in Battery) Diameter: Approx. 5.2cm/2.04in Package List 1 x Automatic Moving Dog Ball 1 x Charging Cable