Features:Adjustable speed: the speed can be controlled in a range from 0 - 30000 revolutions per minutes.Multifunction drill: the device can serve to drill holes, polish surfaces, shape the edge and engrave images.Control: forward and reverse controlApplication: professional salon or home usePortable waist back clip: convenient to take outSpecification:Power: 18WVoltage: 100 - 240VBattery: built-in 1000mAh Li-ion batterySpeed: 0 - 30000 revolutions per minutesFor: FingerPackage weight: 1.252 kgProduct Size ( L x W x H ): 11.00 x 14.00 x 3.00 cm / 4.33 x 5.51 x 1.18 inchesPackage Size ( L x W x H ): 24.00 x 23.00 x 7.30 cm / 9.45 x 9.06 x 2.87 inchesPackage Content: 1 x Console, 1 x Nail Drill, 1 x Box of Drill Bit, 1 x Adapter, 1 x English User Manual