4Way Channels Relay Module 5V/12V Opto Isolator Isolated Optocoupler Trigger Switch Relay Module AC 250V DC30V 10A, for Arduino

4Way Channels Relay Module 5V/12V Opto Isolator Isolated Optocoupler Trigger Switch Relay Module AC 250V DC30V 10A, for Arduino
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sku: 1005005210811607
$3.91
Shipping from: China
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