Description: The Motor Speed Controller allows controlling the direction of a DC motor using a Pulse-Width-Modulated (PWM) DC voltage with a Duty Cycle fully adjustable from 0%-100%. The motor speed controller can easily provide a continuous current of 5A to your DC motor or other DC load. The circuit also includes the function of digital display whose digital tube display the duty ratio Specifications: Input Voltage: 6V-30V DC Rated Current 5A (15A MAX, can not be prolonged) Static Current: 0.02A Control Power: 0.01-150 W PWM Frequency: 13 kHz Duty Cycle adjustable: 0%-100% The digital display the duty ratio Panel Size: Approx. 80x42mm/3.15x1.65" Installation Size: 79x39x24mm/3.11x1.54x0.94" Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the image may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 1 x Motor Speed Controller