Powerful Timing Control: Experience precise automation with this 220V AC delay timer relay module, offering a versatile 1-99 seconds or 1-99 minutes range to effortlessly manage equipment cycles and lighting sequences. Clear Display: The bright 2-digit red digital tube clearly shows the remaining countdown time, allowing for easy monitoring and adjustment of your delay timing relay settings. Accurate and Adjustable Settings: Achieve reliable timing with an accuracy of 1 second/minute (set via jumper) and a minimal 2% error, while the integrated 500K potentiometer allows for smooth, real-time time adjustment shown directly on the display Robust and Versatile Output: Featuring a passive dry contact output with both NO and NC terminals, this delay relay module acts as a universal switch compatible with various control systems and electrical devices. Application: Ideal for automating ventilation fans, industrial lighting, or DIY projects, its compact design and straightforward wiring make setup and integration remarkably simple.