It's a new digital LED countdown display 12v delay module. It can be widely used with various control switch places. It can set the delay time, can press set buttons. After setting up, power-up setting value is previous setting delay time as we set last time (power-down memory function). It's precision delay, error 0.01% per second, a delay of 0-999 seconds , LED changes per seconds. LED digital display, normally open trigger delay 12V relay module, triggered by an external signal. Modules are high level trigger, counting time 0-999 seconds. The wide range of products can be used in many fields. It work in a low-power mode, press the left button to turn off the digital display or begin to show.
