5PCS DC 4.5-40V To 5V 2A USB Charger LED Step-down Buck Converter Voltmeter Module Low Power Automatic Protection

5PCS DC 4.5-40V To 5V 2A USB Charger LED Step-down Buck Converter Voltmeter Module Low Power Automatic Protection
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sku: 32915058811
$8.51
Shipping from: China
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