Features: brand new and high quality 1.Multiple Cleaning Modes (No Battery): The electric dog teeth polisher is powered by USB or AA battery (AA batteries are not included), please don'for t use AA batteries and USB plug-ins at the same for time; 3 Operating modes and high-speed brush rotation help you to remove stains quickly and effortlessly; The 1.33 inches brush for head fits the mouth of most pets. 2.Clean Teeth and Fresher Breath: The pet teeth cleaner can remove pet’s dental stains, calculus and tartar, help your pet to have clean teeth and keep sanitary, increase you and your pet's intimate degree. 3.Simple to Use: Just assemble the brush and apply a little toothpaste on it, and then press the button to clean the teeth; After use, just press the button 3 seconds to turn off the pet grooming teeth polisher, and then disassemble the brush for cleaning. 4.Sufficient Quantity: The package contains 1 piece electric teeth polisher with USB cables, 4 different styles of brush heads for different purposes, 4 kinds of tools to give your pet a clean oral cavity. 5.Durable and Safe Material: 2 Pieces brush heads are made of silicone materials, soft and will not easily hurt the gum of your pet; Both the dog tooth scraper and for scaler are made of stainless steel material, not easy to break and can be applied for a long for time, can be washed after use. Specifications: Material:Plastic Color:As the Picture Size: Approx. 21 for cm/8.27 inches Package Includes: 1 x Electric Teeth Polisher 4 x Brush for Head for Different Purposes note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Attention: To prevent the brush for head from rusting, dry the brush for head with a towel after cleaning 4.Other parts are not included. Thanks for your understanding.