6V-24V 3A DC Motor Speed Control Controller (PWM) Regulator Reversible Switch 1203BS DC Motor Speed Regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM) Control the forward or reverse direction and the stop of DC motor by button switch. Press the green button, the motor reverses rotates; and release the button, the motor stops Press the red button, the motor clockwise rotates; and release the button, the motor stops Material: ABS Potentiometer with switch function Input supply voltage: 6V-24V DC Duty Cycle adjustable: 0%-100% Button switches included The maximum continuous output current: 3A Product Dimensions: 57 * 37 *21mm Package: 1 x DC motor governor Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.