DC 5V Time Delay Relay Module, 0.1 120 Secs Timer Delay, Super 555 Off Self Locking, ON, Off, Trigger (DC5V)

4-in-1 Multifunctional Design: The delay timer relay module is with delay ON, delay OFF, self-locking and trigger delay function, one machine with multiple functions. Wide Range of Flexible Adjustment: The delay time can be adjusted accurately and continuously through the knob from 0.1 seconds to 120 minutes (2 hours). Safety Protection: The 555 timer has built-in power supply protection against reverse connection, and it is not easy to burn due to wiring errors. Setting Storage: Using advanced memory chips, the time and mode you set are permanently saved after a power outage, and there is no need to set them again after powering on again, ensuring stable and reliable operation of the automation system. Easy to Integrate: Provide clear wiring terminals (COM/NO/NC) and input signal port (X1) to quickly get started and integrate into your project