DC-DC 5V To 3.5V/9V/12V Lcd Usb Step Up/ Down Desktop Power Supply Module Adjustable Boost Buck Converter Voltmeter Out 1.2V-24V

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DC-DC 5V To 3.5V/9V/12V LCD USB Step UP/ Down Desktop Power Supply Module Adjustable Boost Buck Con…

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2,05$

DC-DC 5V To 3.5V/9V/12V LCD USB Step UP/ Down Desktop Power Supply Module Adjustable Boost Buck Converter Voltmeter Out 1.2V-24V