1Pcs Automation Delay Timer Control Switch 12V Led 1 Channel Relay Module in
3,60 €
Short press K1.enter function offine-tuning the set, the default trigger is invalid during. Short press K1, enter function offine-tuning set,the default function is: set up an electric circuit the relay first open, press the K1, there lay first close.Press again to repeat the default functionality.
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