The 568-0721-111F is a 4×1 rectangular CBI (Quad-level) LED indicator block manufactured by Dialight, designed for multi-color status indication applications. This through-hole component features four individual LED positions (POS. 1 through POS. 4), each capable of displaying red, yellow, or green light based on the specific configuration. The device operates at 25°C ambient temperature with luminous intensity ranging from 1.1 to 12.5 mcd depending on color, forward voltage specifications of 1.7 to 2.8 V at 20 mA, and peak wavelengths of 565 nm (green), 589 nm (yellow), and 635 nm (red). The component features a standard hole pattern with 0.100 inch (2.54 mm) spacing and is RoHS compliant, making it suitable for industrial control panels, equipment status displays, and indicator applications requiring compact multi-color LED arrays.