Portable Variable Speed Rotary Detail Carver Electric DIY Nail Art Drill Pedicure Manicure Sutiable for Professional salon, Studio or Home Use; For pedicure and manicure; Quiet and Smooth Multi use: carving, engraving, routing, grinding, sharpening, sanding, polishing, drilling and so on The nail file can be used for natural nails as well as artificial nails Input Voltage: 110V-240V 50-60Hz Variable speed control: 3,000 RPM up to 20000RPM