Efficient Calculus Remover: Electrical calculus remover, can effectively separate dental plaque, calculus and stains, and easily remove hard tartar on teeth. HIGH QUALITY AND SAFE MATERIALS: Alloy steel and food grade silicone, non-slip and easy to scratch, tartar remover is for teeth and gums. A variety of tartar removers: a button has an identifiable function that can simplify your process and the automatic one. Power supply: 2*1.5V/AA batteries for power supply. Effective cleaning: the tip of the surface cleaning head is flat and can clean the surface of the tooth without causing damage. Can clean and polish teeth. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!