5pcs Relay Module 1 Channel 5V 9V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger For Arduino

5pcs Relay Module 1 Channel 5V 9V 12V 24V Board Shield With Optocoupler Isolation Support High and Low Level Trigger For Arduino
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sku: 1005012222531602
$29.74
Shipping from: China

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