2PCS USB Buck Boost Converter Adjustable Step UP Step Down Power Supply Module Voltage Regulator DC-DC 5V to 3.3V 9V 12V 18V 24V

Simple operation: powered by USB/Micro USB, adjust potentiometer to get the required voltage. Adjustable voltage: adopt multi-turn precision adjustable potentiometer to adjust voltage. One key design: One key to turn off the output and digital tube (short press to turn off the output, long press to turn off the digital tube). Data storage: automatically save the state before the power failure, the output data will not be lost.

Package Dimensions: 4.88 x 3.43 x 0.94 inches; 0.71 ounces Item model number: AL12356 Date First Available: August 10, 2020 Manufacturer: ALAMSCN ASIN: B08FJ4G8MJ