Micro Dc Motor Voltage : 3 to 24v Rated Speed : 2500 to 30000rpm Power : 0.01-300W Rated Torque : 0.1-800g.cm Applicaiton : Vacuum Cleaner,Screw Driver, Car Antenna and so on The motor's Voltage, Speed and shaft dimension can design according to client's requirement. Any questions, Pleae contact with Frank to 86-574-88189256