DC12V Trigger Delay Switch Turn Off Board Timing Timer Relay Module High Quality

ITEM NAME:DC12V Trigger Delay Switch Turn Off Board Timing Timer Relay Module High Quality.We'd like to settle any problem in a friendly manner. Modules can be triggered using the normally open type switch or a sensor. High current load (250V AC 10A or 30V DC 10A). Signal input optocoupler isolation, anti-interference ability.