Feature: _x000D_With overload protection, the method of using fuses. _x000D_It has multiple aluminum plates for heat dissipation, good heat dissipation and long service life. _x000D_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. _x000D_The potentiometer is used for speed regulation, which is simple and easy to use. _x000D_The speed control module can achieve a large adjustment range of 0-100%. _x000D__x000D_Specification:_x000D_Working Voltage: 9-60V_x000D_Max current: 20A_x000D_Continuous current: 18A_x000D_Adjustable speed range: 0-100%_x000D_Speed control mode: Potentiometer_x000D_Weight: 70g / 2.5oz_x000D_Size: 77*45*28mm / 3*1.8*1.1in_x000D__x000D_Package list:_x000D_1 * Motor Speed Controller_x000D__x000D_Note:_x000D_The actual product color may deviate from the photo due to light._x000D_There may be a slight deviation in the measurement of product. 1With overload protection, the method of using fuses. 2It has multiple aluminum plates for heat dissipation, good heat dissipation and long service life. 3The DC motor speed control module is made of high quality electronic components, which has high stability and can maintain high stability in harsh environments. 4The potentiometer is used for speed regulation, which is simple and easy to use. 5The speed control module can achieve a large adjustment range of 0-100%.