Specification:Product Name: Electric Nail DrillsMaterial: ABS, MetalItem Color: WhiteVoltage: 110-220VRotation: 30000 rpmPower: 30WFull Charging: 2.5 HoursWorking Time: 8 HoursBattery Capacity: 2600mAHBattery Display: 100%, 75%, 50%, 25% (Red light for charging status, Green light for working status)Main Machine Size: Approx 15.5 x 7.5 x 3.4 cm / 6.1 x 2.9 x 1.3 inchPen Length: Approx 14 cm / 5.5 inchPackage Weight: Approx 716 / 25.3 ozNote:Turn of the machine when changing the filing heads. Rotate the handle clockwise and replace the drill bit. After installing the drill bit, rotate the handle clockwise to ensure that the drill bit is firm.Packing List:1 *Electric Nail DrillsNote:Due to manual measurement, please allow an error of 1-2cm. Thank you for your understanding.Thank you for your patronage. I sell products with integrity. If you have any questions, please contact me in time. We will solve it for you within 24 hours.