1. Dog Automatic Ball Launcher With 3/6/9 Balls Durable Ball Throwing Machine For Small Medium Dog 2. Features: Material: This pet interactive ball toy is made of material that is wear-resistant and durable, not easy to break, and can be used for a long time. 3. DAILY FUN & ANXIETY RELIEF: These dog toy balls are designed to provide fun for dogs to help them relieve anxiety and reduce destructive behaviors such as chewing sofas, shoes, other furniture, etc. 4. Three-speed control: This automatic ball launcher for dogs has three modes, and you can choose the appropriate gear according to the surrounding environment. 5. Enhance bonding: This interactive toy can not only increase your bond, but also maintain your dog's health, keep your pet active and reduce negative emotion. 6. Gift option: The dogs automatic tossing ball launcher is also a gift option for pets on birthdays, Christmas, Halloween and Thanksgiving. 7. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement 8. Material: ABS 9. Size: 259*271*214mm 10. Battery: 3.7V 2200MAH lithium-battery*3PCS 11. Charging method: USB cable charging 12. Maximum working voltage: 12.6V 13. Maximum operating current: 2800mA