_ Precise Calibrationthis power supply module display with voltage, USB adjustable buck boost power supply module 3.5 -12V to 1-24V
_ Output: plug in USB or micro USB can easily output adjustable voltage from 1V to 24V and the power is 3W
_ Adjustable voltage: adopt multi-turn precision adjustable potentiometer to adjust voltage.
_ Data storage: automatically save the state before the power failure, the output data will not be lost.
_ One key to turn off the output, and store the state before power off, no worry about data loss