10pcs DC 5V 12V 24V 2 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino

10pcs DC 5V 12V 24V 2 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger Power Supply Module For Arduino
sku: 1005003083344557
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$15.50
Shipping from: China
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