DC-DC USB Charger LED Step-down Buck Converter DC 4.5-40V to DC 5V 2A Automatic Protection LED Voltmeter Smart Home Diy Tool

DC-DC USB Charger LED Step-down Buck Converter DC 4.5-40V to DC 5V 2A Automatic Protection LED Voltmeter Smart Home Diy Tool
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sku: 4000168889066
$1.08
Shipping from: China
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