Feature:With overload protection, the method of using fuses.It has multiple aluminum plates for heat dissipation, good heat dissipation and long service life.The DC motor speed control module is made of high quality electronic components, which has high stability and can maintain high stability in harsh environments.The potentiometer is used for speed regulation, which is simple and easy to use.The speed control module can achieve a large adjustment range of 0-100%.Specification:Working Voltage: 9-60VMax current: 20AContinuous current: 18AAdjustable speed range: 0-100%Speed control mode: PotentiometerWeight: 70g / 2.5ozSize: 77*45*28mm / 3*1.8*1.1inPackage list:1 * Motor Speed ControllerNote:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.