THIS IS UPGRADED ELECTRIC FOOT FILE It becomes more faster and stronger (2.5 times faster than old version) more easy to remove foot heel cracked, dry, dead skin, calluses. Multi-speed adjustable -- you can easily set all kinds of speeds, fast or slow is up to you, enjoy pedicure spa fun. Not battery operated -- you just need to plug in and can use it at once, more convenient. Replaceable sandpaper pad -- one person one disc, you can easily paste on the machine and remove it, more safe, perfect for nail salon family use. Stylish appearance -- aluminum alloy shell and nice polished, just like a small flashlight, easy to carry when you are in travel or vacation. PACKAGE LIST: 1 x Upgraded electric callus remover (black) 1 x Box replacement sandpaper discs (60pcs) 1 X User manual 1 x UK Plug (with speed controller) PLEASE NOTE: DO NOT USE WATER TO WASH THIS ELECTRIC PEDICURE CALLUS REMOVER.