12 Volt Regulator Waterproof Synchronous DC-DC Converter Buck 5-32V to 1-27V Voltage Regulator Adjustable VDC Power Supply Board
https://www.vogueparade.com/shopping/EN/200185144/1/1005003469721015/12-volt-regulator-waterproof-synchronous-dc-dc-converter-buck-5-32v-to-1-27v-voltage-regulator-adjustable-vdc-power-supply-board//