5/10pcs Step down Power Supply Module Buck Converter DC-DC 4-18V to 0.8-17V Adjustable Output 1.8V/2.5V/3.3V/5V/9V/12V 3A

5/10pcs Step down Power Supply Module Buck Converter DC-DC 4-18V to 0.8-17V Adjustable Output 1.8V/2.5V/3.3V/5V/9V/12V 3A

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