Description: Practical Tool: This is a device used to regulate the speed of DC motors. An automatic regulator used to reduce aperiodic speed fluctuations in certain machines.And it make the machine speed to maintain a fixed value or close to the set value. Multi- for Protection: With over current, over voltage and other multiple for protection functions, to ensure that your equipment can be used normally. Excellent Performance: The embedded chip is powerful whose performance is more excellent, and you don't worry about carrying your motor. Wide Application: Perfect suitable for Industrial DC motor, industrial conveyor belt, lighting mediation, computer power cooling, DC fan, etc. Specification: Color: As Shown Material: ABS Size: Approx.7.7x4.5x2.8cm/3.03x1.77x1.1 inch Input Voltage: DC10-60V Output Voltage: Linear Under Load Output Limit Current: 20A (Long-Term Use of 10A, within 450W, Pay Attention to Keep The Module Smooth Heat Dissipation Conditions) Ultimate Power: 1200W Speed Regulation Type: Regulation Mode: Potentiometer (Linear) Speed Control Duty Cycle Range: 0 -- Control Frequency: 25KHZ Wiring Type: Fence Type Wiring Terminal Knob Length: 20cm Note: There might be a few color distortions due to different computer resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Controller.