1 * DC 12V Ciclo Timer Ritardo Interruttore Spegnimento/Accensione Modulo Relè Tempo Regolabile#
The relay opens again. Such a cycle. T1 and T2 are respectively set by two adjustable resistors. MCU watchdog circuit and special reset chip. The relay is triggered, when T1 is delayed and the relay is off, the module will open.