DC 9-60V 20A DC Electric Motor Speed Controller Board PWM Motor Speed Regulator 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 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 e. The speed control module can achieve a large adjustment range of 0-100%. Specification: Max current: 20A Continuous current: 18A Adjustable speed range: 0-100% Speed control mode: Potentiometer Weight: 70g / 2.5oz Size: 77*45*28mm / 3*1.8*1.1in Package list: 1 * Motor Speed Controller Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.