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DC DC Step Down Converter LED Display Voltmeter + 5 V USB Charger Power Supply Module Board Step-down Buck Port 6.5-40V To 5V 2A

USD 5.57

DC DC Step Down Converter LED Display Voltmeter + 5 V USB Charger Power Supply Module Board Step-down Buck Port 6.5-40V To 5V 2A

Description
Specification
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