... ,then connect footpush to the socket of foot push on the backside of power box.4.Choose different ... the foot if you choose to use foot push,the speed will be increseed as you increase ... Up to 25000RPM,4, Extremely quiet and smooth - No Vibration,5,Fashion design for comfrt grip,6,Nail ... motor)part voltage:DC2-17V Rated current:0.56A No load speed:25000RPMPackage contains: Enginery,Twist-lock handpiece , ...