1 2 4 8 Channel DC 5V 12V 24V Relay Module with Optocoupler High and Low Level Trigger Expansion Board For arduino Relays Board

1 2 4 8 Channel DC 5V 12V 24V Relay Module with Optocoupler High and Low Level Trigger Expansion Board For arduino Relays Board
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sku: 4000772381771
$1.48+154%
$3.75
Shipping from: China
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