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Programmable DC 12V Cycle Timer Digital Relay LED Trigger Switch Module + Buzzer
- Item No : 293283344113
- Condition : New
- Brand : Unbranded
- Seller : ai_smart
- Current Bid : US $6.47
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* Item Description
- When the power is turned on, the trigger signal is received, the countdown starts, and the relay works. Signal input optocoupler isolation, strong anti-interference ability. The module and device are respectively powered wiring diagrams.
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