ParameterModel: YK601 Electric Nail DrillPower:40WOutput: 5V/2AOutput Voltage:DC 0-18VRotate Speed: 0-40000RPMGrinding diameter :2.35MMColor:White/ Black/ Pink / GreyMain machine size:140*130*85mmInput Voltage: AC 110V/220V, 50HZ/60HZMaterial: Aluminum + ABS + Stainless steelAbout this itemNail drills for acrylic nails: low vibration, low noise, not heat up Electric nail files professional: 0-40,000 rpm adjustable, high speed, powerful (40W) and cut your prep time in half; for nail tech, beauty salon or beginner art nail DIY use at homeE file machine with a foot pedal works as an extra on/off button when your hands are busyElectric manicure and pedicure tool: remove cuticle, feet hard skin, callus on the natural nails; polish and grind gel nails and Acrylic nails; perfectly shape your nailsNail drill set accessories: comes with 6 nail drill bits and 6 nail drill sanding bands; small size and lightweight, 6 bit holders to save your frequently used drill bits Professional services: YOKEFELLOW nail machine provides you with a safe and high-quality nail experience. We provide 24-hour customer service. If you have any questions, please contact the seller first.NoticeRemember when the machine shows Er (error), please turn off the machine first, check all the wire if it was loose or did not plug tightly. Also need to check if the pen was unlock. After doing this, you can turn on the machine to check, it will be work normal.