5A 75W XL4015 Adjustable DC-DC Voltage Converter DIY Step-Down Power Supply Module 4.0-38V to 1.25V-36V

With a green LED power indicator and a mini voltmeter that can be calibrated by adjusting the potentiometer; High 5A power and low ripple; has a heat sink and copper pillar; Overheat/short-circuit protection ensures safe operation; Press the switch button to select input/output voltage testing; "IN" LED light during input voltage testing; "OUT" LED during output voltage testing; Press the left button to turn the voltmeter on/off; The terminals make it convenient to use even without a soldering iron; Adjust the potentiometer clockwise to increase the output voltage and counterclockwise to decrease the output voltage