Color: black Material: ABS, Plastic, Metal Size: 5 * 3.2 * 1.5cm 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. The circuit includes a 3A fuse, protection against reverse connection of power supply, and allows control of forward, reverse, and stop functions of the DC motor via a switch. Input power range: DC 6-28V Control forward, reverse, and stop functions of DC motor using a switch Potentiometer with integrated switch function Switch cable length: 15cm Operating instructions: Before wiring the controller, ensure the power is disconnected. 1. Connect wires according to the wiring diagram. 2. Turn on the power and adjust the potentiometer to set the desired speed. 3. The LED indicates power status and motor speed. Warning: Do not reverse the positive and negative power connections. Doing so may damage the controller. Package Contents: 1 x 1203BB 6V 12V 24V 3A 80W DC Motor Speed Controller (PWM) Adjustable Reversible Motor Driver Switch Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight variations in the color of the item shown in the image compared to the actual product. Measurement may vary by +/- 1-3cm.