New model of the machine to remove corns and calluses on feet, hands, elbows, etc ... From now on will be easier to remove corns and calluses so that your skin is much smoother. IPX 4 easy and splash-proof certificate use. Its rotating roller (easy to exchange) 360 ° and at a rate of 45 times per second allow us that in just three minutes have our smooth and flawless skin. Practical and effective removes calluses avoiding damage to normal skin. Splash proof (IPX 4) (easy to clean) 2 interchangeable rollers (coarse and fine) in different colors (hygienic use for several people) Quick change roll "click system" rotating roller 360, 45 times per second Softer , fast and effective than metal scrapers Suitable for use in feet, hands, elbows, etc. Reaching hard to reach places cleaning brush included Battery operation: 2 x 1.5 V (UM3 / AA / LR6)