This is a brand new and high quality delay turn-on module. | The power indicator LED and switch trigger timing indication LEDs. | This relay module output can be connected to AC 250V 10A DC 30V 10A load. | There is the chronopotentiometry regulation time, adjustable from 0 to 10 seconds by default, or by changing the capacitance adjustment time longer. | Applications: Vehicle equipment-delay to prevent car ignition, prevention of high sudden current to burn components and devices.