The 0.56-inch 4-digit seven-segment display is a commonly used display device featuring a moderate character height, making it suitable for a wide range of electronic equipment. With an approximate outline dimension of 50.2mm × 19mm × 8mm and 12 pins in total, it offers a rich color palette including red, orange, emerald green, blue, white, yellow, and other options to meet the requirements of diverse application scenarios. Available in both common cathode and common anode configurations, it is widely applied in timers, counters, small instrument panels (such as voltage, current, and temperature displays), auxiliary displays for smart watches or bracelets, retro-style digital clocks, as well as status displays in various DIY electronic projects.