3-IN-1 Function - 3 kinds of light modes( red dot+ UV + Mini-Flashlight). High Quality Material - Cute Cat paw shape, soft silicone button, high quality plastic housing, iron chain at the bottom is easy to hang. Battery Operated - Need 2xAAA batteries. (Battery not included). How to Use - Press once to power on, press again to switch modes, no need to press the button for a long time, free your finger. Application - When the owner moves it to the right and left, the cat will chase it and play. While playing and having fun, we will also eliminate the lack of exercise. You can use it to train cats and dogs and grind the claws of cats and dogs.