New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board

New Durable 3.3V 5V 12V 24V 1-channel Dual Optocoupler Isolated High And Low Level Trigger Relay Module Board
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sku: 1005005887858655
$3.10
Shipping from: China
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