Easily remove calluses and hard skin in a few minutes. 1 fine roller for daily foot care; 1 regular roller for removing dead skin; and 1 coarse roller for troublesome crack callus. This efficient foot pedicure tool built-in rechargeable 1200mah battery, the capacity of hard skin remover is 30% bigger than others, supporting cordless work for up to 90 minutes. In addition, the battery LCD display helps you know easily how much battery left and when to charge. Certified IPX7 Waterproof, can adapt to all kinds of humid environment, so you can enjoy pedicure foot care or foot spa salon in the bathroom. It can be rinsed under running water, easy to clean, but remember do not immerse it into water in case of any problem. Special ergonomic non-slip design, easy to hold, don't need to worry about falling. Tough and Durable pedicure tools tougher and easier to use than rasp, razor, scraper, sander, scrubber, pumice stone, and other grater like tools. Ideal for men & women who looking for safe and professional removal of dead skin tools at home.