MATERIAL: Aluminum alloy shell & Plastic. SAFE FOR YOUR PETS: Perfectly safe for your cats and dogs to play with. But please don't face it directly in your pet's eyes. ; IMPROVED CHARGING METHOD: USB direct charging makes charging faster and safer, no longer need a USB cable, charging is convenient, you can directly connect the computer and any USB interface. Please note that the output power of the charger should be less than 5V and 0.5A. ; 5 RED LIGHT PATTERNS + FLASHLIGHT + UV LIGHT: Different patterns can be easily changed by equipment. The red dot, smiley face, butterfly, star and mouse. You can switch between the different modes by sliding the switch. To make the pet more exciting when playing, provide exercise and endless fun; Mini flashlight for daily indoor and outdoor use, the optimal projection range is about 5m; UV light can identify, authenticate currency, inspect pet fluids. ; CONVENIENT TO USE: With metal clip and lanyard, easy to carry with your pet anywhere. It can also be used as a mini flashlight, ideal for daily use indoors and outdoors.