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Eight 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger for Smart home,Supply voltage 12V - - Amazon.com
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Eight 8 channel relay module 30A with optocoupler isolation 5V 12V 24V supports high and low Triger trigger for Smart home,Supply voltage 12V - - Amazon.com
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