Superior quality. Scaler tip is made of medical grade alloy steel, durable, safe, hygienic, not rusty and no toxic. The handle is made from anti- skid silicone, convenient to hold. Multi-functional. This plaque remover is designed for home use. You always see tartar, bacteria is built on your teeth, which is difficult to remove even with toothbrush, dental floss and dental tape. This dental tool is special in removing the tough stains, tartar, bacteria and debris from your teeth and gum, help you to care your teeth and get sparkling smile. Adjustable 5 frequency gear. You can adjust the frequency level to satisfy your need. Water resistant. IPX6 waterproof grade, whole body waterproof, convenient for you to clean. Humanized design.One key operation, integrated design, convenient charging way and long standby time are combined, make you use this dental tool more easily.