The GDR0404 is a 4-position rocker DIP switch designed for through-hole PCB mounting applications. It features a recessed rocker actuator style with a single pole-single throw configuration, providing reliable switching functionality in a compact form factor. The switch is sealed for environmental protection and measures 21.28 mm in length (0.838 inches). This DIP switch is commonly used in industrial control systems, consumer electronics, and instrumentation where configuration settings or mode selection is required, offering a cost-effective solution for manual switching operations.