Feature: It's a new digital LED countdown display 12v delay module 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.Description:Working voltage: DC 12VStandby current: 12maWorking current: 50maLoad: AC 250V 10A(max) or DC 30V 10A(max)Size: 6.5 x 3.5cmPackage included:5 x DC 12V digital LED delay module