Features APPLICABLE DEVICE: This PWM motor governor module is suitable for speed regulation of DC motors, fans, fish tank oxygen pumps, and other products. EXCELLENT PCB: The PWM DC motor speed regulator module uses high-quality electronic components and a well-designed circuit board to ensure a longer service life. KNOB ADJUSTMENT: Simply rotate the knob to adjust the output, control the forward and reverse direction, and stop the DC motor, making it easy to use. VOLTAGE RANGE: The power supply voltage is DC12-24V, with a maximum current of 20A, providing wide application compatibility. COMPACT DESIGN: The PWM motor speed control module has a compact size, is easy to install and remove, and offers stable and reliable performance. Specification: Item Type: Motor Speed Control Module Model: L0577-0802 Power Supply Voltage Range: DC12-24V Applicable Power: Up to 12V 250W, 24V 350W Maximum Current: 20A Package List: 1 x Motor Speed Control Module