SMAKN&reg; DC 12V Delay Timer Switch Adjustable Module 0 to 10 Second NE555 Electrical New Delay modue:delay connect module. One size: 77 x 23 x 18mm (length x width x height) The operating voltage: 12 volts DC; (otherwise 5V optional). The use of high-performance timing CPU design. The power indicator LED and switch trigger timing indication LEDs; The 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.