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

5V/12V 4Way Channels Relay Module Opto Isolator Isolated Optocoupler Trigger Switch Relay Module AC 250V DC30V 10A for Arduino
sku: 1005005105134687
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$1.13
Shipping from: China

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