The XY-WJ01 is a versatile digital timer relay with an LCD display and UART configuration support, operates with a DC 6-30 V power supply, and allows a time delay range from 0.01 seconds to 9999 minutes. It features enhanced isolation (optocoupler), high resistance to electromagnetic interference, and start/cycle options in multiple modes (P0-P9) for automation applications, motor or pump control, irrigation systems, and smart installations.