Comfortable to hold: Made of high-quality metal and pen shape design for comfortable grip. High-quality bearing makes the nail drill machine working low noise and low vibration so that you will feel smoothly when you use it。 Efficient dissipation: Aluminum alloy body makes it efficiently dissipation so that you will feel low heat when you do mani or pedi. Please don't make a constantly long time(no more than 20 minutes) using in order to avoid overheating. AUS3table speed and direction: Varying speed from 0-20,000 RPM with speed controller. Can start out slow after getting used to it. Forward and Reverse rotation direction makes you feel easy to use both left and right hand. Easy to use: 11 types drill bits meet your needs for nail art. And it is easy to change bits without tools, just unplug it then rt. It's tiny pen shape makes it operation easily. Portable to carry: This electric nail machine is perfectly for nail salon as well as beginner at home. Compact size makes it very convenient to carry. Multi use: Used for mani, pedi, polishing and cuticle remover. Specifications: Type: Nail Drill Machine Material: Stainless Steel Color: Gold Rotation Speed: 0-20,000RPM Working Voltage: 12V Output t: 1000mA Drill Pen Size: Approx. 12 * 1.5cm Package Size: Approx. 14.5 * 14.5 * 7cm Package Weight: Approx. 344g Package List: 1 * Nail Drill Machine 11 * Drill Bits 2 * Dust Brush 100 * Sanding Bands 1 * Adapter