USB Controller Board -DC Speed Controller Highlights Generic DC Speed Controller Dc motor pump PWM stepless speed controller with high efficiency 12V-40V 10A Use the military grade circuit board, the Imported big capacitor 50V1000uF The power tube USES the big cow IRF3205, absolutely no worry about your motor moving Material: acrylic resin Color: multicolor specification: Input voltage: DC 12V-40V Power: 0.01 400 w Current: current rated 8A, maximum through current 10A, static current 0.02a (standby) Frequency: 13KHZ PWM pulse width speed range: 10- Equipped with 10A fuse, with reverse power supply connection, function overvoltage protection control voltage Equipped with high quality potentiometer If the positive and negative switching function is needed, you can externally connect the positive and negative switches. Size: 5x20x20mm0.20x0.79x0.79inch Package includes: 1 x DC Motor Pump Regulator Note: Color may be slightly different due to the color calibration of each monitor. Please allow slight measurement deviation due to manual measurement.