Módulo de pantalla de tubo LED relé de retardo temporizador control remoto infrarrojo digital 5V 12V

(4) 0-999 seconds delay range. Power does not work, when there is an external high level trigger, the relay first job (closed), relay off after the delay;. (7) 0-999 seconds delay range. Power does not work, when there are remote trigger, the relay first job (closed), relay off after the delay;.

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