Feature: 1. Fun and Interactive: Made from PC, TPU, this interactive dog toy is safe and odorless, multi color flashing light built inside to pique your pet's curiosity and encourage their exploratory instincts, helping you easily interact with your pet. 2. Versatile Modes: With two modes design, the normal mode features the ball moving and rotating, while the crazy mode entails bouncing and rotating, select the mode that best suits your dog's size and interests. 3. Intelligent Automatic Toy: With a built in motion sensor, it automatically moves, rotates, or bounces for 10 seconds when it senses something touching it to attract your dog's attention. If not, it goes into standby mode. 4. Waterproof Material: The ball is sturdy, bite resistant, and waterproof. The shell and the rotation machine aren't integrated, allowing for easy removal when cleaning. Simply wipe or rinse with clean water if the surface gets dirty. 5. Ensures Pet's Health: This interactive toy helps to stimulate your pet's physical and mental activities, preventing them from becoming bored and engaging them in plenty of exercises, which contributes to their health and well being. Specification: Item Type: Interactive Dog ToysDiameter: Approx. 50mm / 1.97in Charging Time: 1.5 hours Battery: 300MAH lithium battery (built in） Battery Life: Approx. 4 hours Waterproof Level: IP54 Material: PC TPU. Package List: 1 x Interactive Dog Toy1 x USB Cable