The DIALIGHT 555-2003F is a 2mm red diffused LED circuit board indicator designed for various industrial applications. Its high-contrast, UL 94 V-0 rated black housing ensures visibility and safety. The housing stand-offs facilitate PCB cleaning, and the LEDs are safe for direct viewing. This CBI is compatible with the 555-4xxx Quad Block series, making it a versatile solution for indicator applications requiring multiple LEDs in a compact format. It is suitable for use in control panels, equipment status indication, and other applications where a clear and reliable visual signal is needed.