ITEM NAME:DC 6-30V 1 Way Automation Cycle Delay Timer Control Off Switch Relay Module #gib Store Home Promotion Hot Item Add to Fav.Increase the sleep mode, if this mode is enabled, without any operation within 5 minutes, then automatically turn off the monitor, any key wake-up;. Trigger Signal Source: High-level Trigger (3.0V-24V) signal is not in common with the system to improve the anti-jamming ability of the system (also can be self-connected to the ground).