Features: Noval &Interesting Pet Toy: A automatic rolling ball with colorful lED that is attractive for pets such as cats and dogs. With 2 modes, normal mode (rolling) and crazy mode (rolling and bumping). When you want to take a rest but your pet is still full of energy, this is the right choice for you. Safe and Durable: Made of high quality ABS and silicone material, safe and durable, with Smooth and high hardness cover, strong bite resistant, it can run on any type of hard floor such as marble, wood, tils floor, etc. IP54 waterproof level, no need to worry about splashing water and dust into the inner. Easy to Play With: Twist the ball to open the shell and press the power button for 2s to turn on or turn off.If the LED quick flashing means crazy mode, then short press the button to switch to normal mode, close the cover and rolling on the ground and start playing. Remote Control: Available to control the rotation direction of the ball and its working modes, turn on or off to attract pet's attention and interact with them. USB Pet Toy: Built-in 500mAh rechargeable Li-ion battery, full charging with the USB cable (included) can working for a long time. Perfect Gift for Your Pets: This pet ball can inspire cats and dogs' hunting instinct and actively chasing all around, which will consume your pets energy, and helps prevent pets from feeling depressed. Specification: Color: Pink, Orange, Yellow (Optional) Material: ABS+Silicone+TPU Diameter: 80mm/3.15inch Weight: 165g/5.8oz Battery: Built-in 500 Li-ion Battery Charge Voltage: 5V Working Mode: Crazy mode, Normal mode Waterproof: IP54 Package Size: 9.5x8.5x8.5cm/3.7x3.3x3.3in Package Weight: 238g/8.4oz Packing List: 1 x Toy Ball 1 x Charging Cable 1 x Remote Control 1 x User Manual