Specifications:Forward and reverse two optional and adjustable directions.No vibration, extremely quiet and smooth operation.Easy to change bits with no tools required.Pen design, comfortable to grip and easy to use.It works on both natural and artificial nails.Ideal for home DIY and professional salon use.Type: Nail Drill HandleMaterial: PlasticInput Voltage: 110V/220VOutput Voltage: DC 17VFrequency: 50HZ/60HZRotating Speed: 20000RPMFeatures: Two-way Rotation, No Noise, Easy to OperateLength: 14cm/5.51" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Nail Drill Handle