Efficient calculus remover: electric 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 safer for teeth and gums. A variety of tartar removers: One button has an identifiable function, which can simplify your operation and automatically. Power supply: 2* 1.5V / AA batteries for power supply. (batteries not included) 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. color:white size:16.6*2.7cm The number of shipments: 6 Note: Other items are not included here, other pictures only show the effect Due to the difference between different monitors, the picture may not reflect the actual color of the item. Because of manual measurement. Please allow deviation. Thanks Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.