Product Overview Ultra Blue 0.56" 4-Digit LED Clock Display — Common Cathode A high-performance 4-digit 7-segment LED indicator engineered for digital clock indicators, household appliances, set-top boxes, and instrument panels. Featuring ultra-bright emission, uniform segments, and low power consumption, this display delivers stable, long-life performance for both consumer and industrial control applications. Character height: 14.2 mm (0.56 inch) Yellow segments on black