1/2/4/8 Channel 5/9/12/24V Relay Module Optocoupler Isolation High and Low Level Trigger Microcontroller Red Board

1/2/4/8 Channel 5/9/12/24V Relay Module Optocoupler Isolation High and Low Level Trigger Microcontroller Red Board
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sku: 1005007328755539
$0.32
Shipping from: China
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