DC 5V 12V LED Display Verzögerung Timer Steuerung Schalter Relais Modul SPS Automatisierung
ab 5,98 €
LED digital display, normally open trigger delay 5V/12V relay module, triggered by an external signal. It's a new digital LED countdown display 5v/12v delay module module. It work in a low-power mode, press the left button to turn off the digital display or begin to show.
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