Strong Forte 300 Labaratuar MikromotorProduct description : It is a brushless laboratory micromotor. High speed and control function works for 40,000 rpm with minimum vibration at low speed. Properties: High speed controllable up to 40,000 rpm The ability to provide equal power at minimum vibration with low speed Minimum vibration A quiet and clean working environment Excellent durability Knee and foot control Error indication function on the screen Power source: AC 100V 50 60Hz AC 110V