Functional, versatile, and easy-to-use, it can be used for manicure, pedicure, acrylic, gel, dead skin, callus, and cuticle. It's an essential tool for nail-care veterans and newcomers alike. Specifications: Host Section(power controller) Input Voltage Range: AC 100-240V 50-60Hz Output Voltage: DC12V Output Current: 1000mA Handpiece Section: Rated Voltage: DC12V Rated Current: 0.14A No-load Speed: 18000-20000RPM Loads Rotation Rates:16000-17500RPM Note: 1.Don't let the nail drill work too long time, because you may feel hot even though the aluminum body has an efficient heat dissipation 2.Please pull out the drills with pliers when finished using to avoid the clamping device losing elastic force untimely 3.Keep clean and dry 4.Soaking your hands for a while before using Package Includes: 1 x Nail Drill Machine 1 x AC Adapter 1 x Operating Manual 6 x Nylon Wheels 6 x Drills 1. Needle Head: Polishing nail edge 2. Bullet Grinding Head: Grinding and relieving a nail surface convex 3. Conical Grinding Head: Polishing the curvature of the nail 4. Small Barrel Head: Polishing thick nail, calluses and dead skin 5. Large Barrel Head: Polishing thick nail and shortenin 6. Mandrel with Nylon Wheel: Polishing thick nail and removing acrylic gel Multifunction,Besides manicures Multifunction,Besides manicures and pedicures,can be used on small leather goods,wood and wall carving,punching and sanding. Easy to operate, you can share more nail art creation fun with your friends or family.Easy to operate the speed control knob, Forward and reverse switch. With Adjustable speed up to 20,000rpm, make it easy to use, safe and non-injured hand, Shape and gently clean away uncomfortable hard skins, corns and hard glue. The electric nail files designed with 6 drill bits, 6 nylon wheels for manicuring, pedicuring, shaping, polishing, removing calluses, ect. Powerful Function: Professional high-tech speed bearing and motor make the electric file low heat, low noise, and low vibration. Portable Compact Design: This nail drill machine made of high-quality metal, tiny and lightweight design, easy to handle and carry it anywhere.