The 1203BB DC motor speed regulator controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). It provides a continuous current of 3A to your DC motor or other DC load. Besides, the circuit also includes a 3A fuse, with reverse connection of power supply and control the forward or reverse direction and the stop of DC motor by switch. Features: Control the forward or reverse direction and the stop of DC motor by switch. Potentiometer with switch function. Controls the speed of a DC motor by adjusting Pulse-Width-Modulated (PWM). It provides a continuous current of 3A to your DC motor or other DC load. Specifications: Voltage range: DC 6V-28V Current range: 3A Item size: 50 * 32 * 15mm / 2.0 * 1.3 * 0.6in Item weight: 35g / 1.2ounce Package size: 50 * 32 * 15mm / 2.0 * 1.3 * 0.6in Package weight: 35g / 1.2ounce Package List: 1 * Motor Speed Controller