DC 12V LED Timer Relay Programmable Buzzer Button Module Delay Switch With Shell
ab 3,56 €
A2: After the power relay is turned off, timing ends, an infinite loop. 1 x Relay Module (without case/with case optional). S2: OK/Shift key: press to adjust the position of LED blinking, which LED blinks, S3 to adjust the value of digital tube blinking.
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