1, 2, 4, 8-way 5V 12V 24V relay module with optocoupler isolation to support high and low level trigger development board

1, 2, 4, 8-way 5V 12V 24V relay module with optocoupler isolation to support high and low level trigger development board
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sku: 1005005625603529
$8.49
Shipping from: China
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