[Professional Callus Remover]---3 different roller heads are included to bring a spa-like pedicure salon at home, 1 fine roller head, 1 regular roller head and 1 coarse roller head meet all your callus removing needs. Refillable coarse roller head that spins 360 degrees for quick results on thick, calloused skin. [2 Speed Option]---2 Speed option(1700x/min and 2000x/min) designed for different type skins. Low speed for hands or finer skin care, and high speed for stubborn thick fur or dead skin, Please choose according to your skin conditions or it could hurt your skin or not remove effectively. [Rechargeable& 5 Battery Display]---Long time using for 120 minutes when this electric callus remover device is fully charged, rechargeable design is more eco-friendly, and special LED battery display keeps you know how much battery left and when to charge. [IPX7 Waterproof]--- IPX7 water resistant design of this rechargeable electronic foot file brings you great convenience to buff away thick and rough skin, and then wipe away them with water, easy to wash this callus remover with water while never worry about spoiling. Colour:White Material:plastic Package Contents: 1 x Electric foot grinder (with replacement parts) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.