Special FeaturePressure SensorPower SourceCorded Electric, Battery PoweredItem Firmness DescriptionHardColorPet Tooth CleanerAbout this item[Dental care for your beloved pet] - Mothermed Pet Teeth Cleaner can effectively clean pets dental stains, calculus, and tartar. Using Mothermed electric professional teeth polisher in your pet's current dental care routine will result in a fresher breath, thereby reducing worries about your beloved pets health. Wonderful gifts for pets.[Teeth-friendly superior safe material] - Brushes are made of Silicone materials which do good to pets teeth, using electromagnetic power movement so that high-speed brush rotation let its high frequency grinding tooth surface, professionally addressing the issue of pet's stains and hard tartar.[Reliable and versatile design] - Mothermed dog cleaner normally works only when it is in the plug-in electric. Equipped with three operating modes and four different types of brush heads for a more thorough teeth clean for your beloved pet. In particular, the size of the brush head is 1.33 inches after the brush is installed. Noise is 80dB when used.[Easy to use] - Install one brush and apply the appropriate amount of toothpaste on it, then place on the stain and turn on the switch to rotate. After use, please take the brush out and clean it, drying and putting it back in the storage box. Usage: Install 2 AA batteries or USB plug-ins, please do not use AA batteries and USB plug-ins at the same time. After 3 seconds of pressing, the product is closed.[Better plug-in to used] - This dental scaler can be used with batteries or plugged in. If it is a big dog that needs very strong power, it is recommended to plug it in; if it is a puppy that does not need strong power, you can install the battery. For the healthy teeth of your dogs, you can try different electricity when you use it.