Photo 1 of 3A Mini DC-DC Buck Step Down Converter Board Module 5V-30V to 5V DC DC Voltage Regulator PCB Board Power Buck Module 10pcs

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Photo 1 of 3A Mini DC-DC Buck Step Down Converter Board Module 5V-30V to 5V DC DC Voltage Regulator PCB Board Power Buck Module 10pcsPhoto 2 of 3A Mini DC-DC Buck Step Down Converter Board Module 5V-30V to 5V DC DC Voltage Regulator PCB Board Power Buck Module 10pcs