... .6~36V No load Speed 2000~25000r.p.m Output:5~75W DC motors models RS-540 or RS-545, Carbon brush dc motor, Cylinder, Diameter35 ... : 3.6~60V, At no load Speed 2,000~25,000 r.p.m, Output about 3~75W. fit for power tools, massager, hair ... dryer, paper Shredder, vacuum cleaner, haircut apparatus, printer, air pump, vending machine, blender, , drill & screw ...