Features: Digital Display: High clear LCD display, shows electric quantity and 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. Operation Modes: Comes with foot pedal, you can choose manual or foot mode for your convenience. Long-lasting to Use: Fine workmanship and superier material, provides comfortable hand feel and long service life. Specifications: Material: ABS Color: White Type: 1# (Rechargeable Type); 2# (Powered by Adapter Plug) Plug: Two Types (Optional) Voltage: 100/220-240V, 50/60Hz Speed: 0-35000 RPM Package Size: 247 * 215 * 107mm / 9.72 * 8.46 * 4.21in Package Weight: 1000g / 2.2lb Note: There are different kinds of adapter optional. Please choose the one suitable for your country. Package List: 1 * Nail Grinding Machine 1 * Handpiece 6 * Grinding Bits 1 * Foot Pedal 1 * Adapter Cable 1 * User Manual