Features: Digital Display: High clear LCD display, shows electric quantity or rotation rate clearly. Replaceable Grind Bits: Comes with six replaceable grinding bits, easy to change without the tools. Adjustable Speed: With speed adjusting knob, you can adjust the rotation speed freely (0-35000 RPM). Forward & Reverse Switching: The direction of the rotating bit is adjustable, you can choose forward or reverse. Convenient Carrying: Compact size, can be put into your handbag easily, convenient to carry. Long-lasting to Use: Fine workmanship and superier material, provides comfortable hand feel and long service life. Specifications: Material: ABS Color: Black, Green, White (Optional) Charging-Cable Plug: Two Types (Optional) Voltage: 100-240V, 50/60Hz Powers: 50W Speed: 0-35000 RPM Working Time: 10h Batterys Capacity: 7.4V/1200mAh Package Size: 215 * 150 * 72mm / 8.46 * 5.9 * 2.83in Package Weight: 600g / 1.32lb Note: 1.There are different kinds of adapter optional. Please choose the one suitable for your country. 2.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Package List: 1 * Nail Grinding Machine 1 * Handpiece 6 * Grinding Bits 1 * Adapter Cable 1 * User Manual