Powered by 2 AA Battery. (not included) Waterproof Feet Care Electric Callus Skin Dead Skin Removal Foot Smoother Pedicure Kit Exfoliator Heel Cuticles RemoverTreatment Areas: -only for use in the feet and heels， we don?t suggest use this device on the other place of body. Feature: The whole remover is water resistant， include device body， that means you can wash it directly under water， easy to clean Wet & Dry use， convenient to use and store Together with a FREE Extra Grinding Roller replacement. ABS plastic material， more safer and effective than metal scrapers and easier to use than a pumice stone. Ergonomics design， portable and easy to hold to use. Package (in bubble bag): 1 x Electric callous remover 1 x Roller grinding head replacement 1 x Soft cleaning bush 1 x User Manual (Please read the user manual before use) Microfiber Cleaning Cloth ( as a gift )