Adjustable Step Up Down Power Supply DC 5.5-30V to 0.5-30V Module

1 Easily adjust output voltage and current by long handle potentiometer, no screwdriver needed. 2 Equipped with large size aluminum heat sink and outer case. 3 Clear LCD display of Input Voltage, Output Voltage, Output Current, Output Power And Temperature. 4 All round protection: Input Reverse Polarity Protection, Output Anti-Backflow Protection (no anti-backflow diode required when charging battery), Overcurrent Protection, Over Power Protection, Over Temperature Protection. 5 Freely adjust output voltage within 0.5-30V and limiting current within 0-6A. 6 Press the button to control the F state of the output end, and you can set the default ON/OF state of power-on.

What's in the box
1 x DC DC Converter Module