The Features: ***Adjustable Speed & Easy to Use:*** ღ Variable speed from 0-20000 RPM with speed control button. ღ econoLED Electric Nail Drill has six types of drills to meet your nail art needs. ****Multifunction:**** ღ Electric Nail Drill is suitable for grinding, sharpening, cutting, carving and polishing of various nail art. ღ It is used professionally and suitably for family, salon, makeup studio. ***Light Weight & Portable Design:*** ღ The pen shape and lightweight design make the electric nail drill easy to carry and easy to use. ღ The charging cable is about 35.6 inch, so it is very convenient for using. ***Low Noise & Low Heat:*** ღ The Electric Nail Drill has a powerful but quiet motor. ღ The efficient heat dissipation performance can effectively avoid overheating. ღ The Electric Nail Drill has low noise and vibration when polishing nails. The Specification: ღ AC Input: 100-240V, 50/60HZ ღ DC Output: 9V/1000mA ღ Package Size: 8.3inch*3.9inch*2.2inch ღ Weight: 0.49LB ღ Max Speed:20000RPM The Notes: ✍ Before connected to the power, please make sure the input voltage is the same with the voltage required on backside of power box. ✍ Make sure the power is off if polisher is not used for a long time. ✍ WARM TIP: TAKE A BREAK! In order to have a good using experience, don’t make a constantly use long time. The Package: ღ 1 x Electric Nail Drill ღ 5 x diamond bits ღ 1 x emery rod ღ 6 x sanding bands