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    4Pcs DC 12V Relay Module 1 Channel Relay Board with Optocoupler Isolation Suppor

    • Item No : 116159564699
    • Condition : New
    • Brand : No brand Info
    • Seller : epic.store
    • Current Bid : US $14.97

    • * Item Description

    • 4x 1 Channel 12V Relay Module with Optocoupler Support High/Low Level Trigger. Jumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Normally Opened (NO) : Normally Open Pin of Relay.
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