10pcs Step-Down Power Converter Module for Applications Dc-dc Voltage

Supply module: if the output voltage is always equal to the input voltage, please first turn the potentiometer counterclockwise more than 15 laps, Adjustable Power Converter Module; Adjustable power converter module: and, adjustable voltage regulator converter module, Supply Module; Converter accessories: original button to shut off the measuring input or output voltage and a light show, Supply Module; Step-down power module: the product designed with low power consumption, high efficiency, overheating protection and short circuit protection, Supply Module; Power converter parts: the voltmeter can be closed when not needed, you can unplug the jumper cap, Supply Module

What's in the box
10 x Step-Down Power Converter Module