5Pcs DIY Signal communication relay HFD4- 3V 4.5V 5V 12V 24V DC -S SR 2A 8pin two groups of conversion patch direct insertion

5Pcs DIY Signal communication relay HFD4- 3V 4.5V 5V 12V 24V DC -S SR 2A 8pin two groups of conversion patch direct insertion
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sku: 1005005540081018
$3.25
Shipping from: China
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