Iegefirm DC 5V to 3.3V 9V 12V 24V USB Step UP/Down Power Supply Module Adjustable Boost Buck Converter Out 1.0V Red

3.Support boost and buck 4.Long handle potentiometer adjustment 2.Wide voltage output 1.Low power supply 5.-DP is a DC adjustable step up/down power supply module with 3Bit LED digital tube display.Display output voltage in real time.Rotate potentiometer to adjust output voltage.Set output voltage to meet the require.It can be used as ordinary buck power supply module.Simple and efficient, practical.