Name : Auto Pet Toy Ball Material : Silicone + ABS Diameter : 80mm / 3 . 15inch Weight : 165g / 5 . 80Z Battery : Li-ion battery 500mah Charge voltage : 5V Working mode : Crazy / Normal Mode Waterproof : IP54 Suitable : Dogs , Cats , etc Packing list : Toy ball x1 Charging cable x1 User manual X1