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12V LED Display Programmable Timer Relay Module Delay Switch Board Car Buzzer
- Item No : 401144901709
- Condition : New
- Brand : Unbranded/Generic
- Seller : alice1101983
- Current Bid : US $3.51
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* Item Description
- Signal input optocoupler isolation, anti-interference ability. S2: OK / Shift key: Press to adjust the position of the LED is blinking, which LED is blinking, S3 to adjust the value of digital tube flicker.
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