Packing included:1 x Electric Nail Drill Main control1 x Handpiece1 x Handpiece Stand1 x 6 type basic bits setOperation:1:Press the power-supply'switch，and the indiator should power on ，and the grinder is ready for operation2:press the switch in hand piece， the hand piece's power should be opened， and start to turn3:Turn the SPEED CONTRTOL clockwise slowly and the portable grinding head starts to turn and accelerate， until the max spleed4:Turn the SPEED CONTRTOL counterclockwise， to decelerate the grinding head5:The turning directions can be swapped; FWD means clockwise direction and REV means counterclockwise direction6:Adjust the speed of the grinding head within a reasonable range7:Press the switch to"O"status in hand piece ，the piece' power should be closed， and stop to turn8:Press the power-supply'switch to "O"status，and the indicator should power off， and the grinder is stopped1 x User manual (in English)