2 Pack 1CH 12V Relay Module High Low Level Trigger for Arduino

12V 1 Channel Relay Module Optocoupler High/Low Trigger – Free Shipping USA

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2-Channel 12V Relay Module Optocoupler High and Low Level Trigger for Arduino

2Pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level

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2-Channel 12V Relay Module Optocoupler High and Low Level Trigger for Arduino