Total categoriesDC MotorGear MotorStepping MotorBrushless Motor MODELNameDescription DC Motor Gear Motor Stepping Motor Brushless Motor Application Automobiles Medical System Robot Home AppliancesElectric Tools Security System Instruments and Meters Technical Support Structure Name motor Questions Contact Model: GM12-N20VA Spur metal gear motorsPower Lock Electronic lock, Optic equipment, Medical apparatusDescription Reduction Ratio:1/3???1/5???1/10???1/30???1/50???1/63???1/100???1/150???1/210???1/250???1/298???1/1000