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This digital time delay relay module features 4-digit LED digital display for intuitive and accurate time adjustment. It supports DC 5V, 12V and 24V wide voltage input, built-in 10A high-power relay to bear heavy load equipment control. Multiple trigger and delay working modes are optional to meet various automatic timing control demands. Equipped with a sturdy outer shell for dustproof, anti-collision and strong anti-interference performance. Compact and easy to mount, it is widely used in automatic equipment control, device timing startup and shutdown, smart circuit modification and electronic DIY projects.