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12V Digital LED Display Delay Timer Control Switch Automation Relay Board Module
- Item No : 176985576651
- Condition : New
- Brand : Unbranded
- Seller : top-worthbuyer
- Current Bid : US $9.78
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* Item Description
- Do not dismiss your dream. Clear and simple interface, powerful functions;. Trigger signal source: High level trigger (3.0V-24V) signal ground is not common with system ground to improve the anti-interference ability of the system (it can also be self short circuited to common ground).
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