【2 Interactive Modes】Normal Mode and Crazy Bouncing Mode are available, you can switch to fit for different dogs play. Built-in multi-colors flash lights inside the ball, which can grab the dog's attention. As a mentally stimulating and entertainment toy, it's suitable for indoor and outdoor play, keeping your dog happy and busy. When you want to take a rest but your pet is still full of energy, this is the right choice for you. 【Motion Activated Toy】Built-in motion sensor,when your dog touchs or bites it,it will automatically move, rotate or bounce for 10 seconds, then the colorful LED light will continue to flash for 4 seconds and go to standby. If there is no operation again, the ball will automatically start after 2 minutes and 3 minutes and to attract your dog to play, during which the cool colorful led light will flash to enhance the attractiveness for your pet. 【Durable & Safe Materials】Interactive dog ball toy is made of durable natural rubber + TPU, which is safe and odorless non-toxic, the shell is removable( It have a safe mode: when turn on the shell and it will stop spinning.), easy to clean. In addition, the IP54 waterproof level, no fear of water in the ball. But the toy does not work for aggressive chewers. 【USB Rechargeable】 Fast charging, long working time. Built with 500Ah battery, charging 1.5 hour, working 4 hours continuously. (Power button and USB charging hole are on the inside of the machine, you need to unscrew the outside cover to charge the machine and turn on/off the ball.)Electric Dog Toys offers hours of fun exercise and a self-entertaining health service, which can be a best gift for beloved, puppies, large dogs and other pets. 【Warming Tips】That is suitable for Small-Medium dogs and cats. not recommend for large breed and aggresive chewer, not recommend for thick carpet. Suitable for wood, tile , marble floor, thin carpet and outdoor lawn.You can also adjust the 2 different modes according to your pet's interest.