Features: The 4Bit Digital Tube displays module features high brightness LED digit for clear visibilitys and seamlessly compatibility for project, ideal for real time data visualization in DIY electronics projects. This 4digit displays module support 0-9numbers with low power consumption, simple pin connection, and programmable effect. Perfect for electronics hobbyists, STEM educators, and beginner exploring microcontroller programming or building customs counters, timers, or sensors base displays. Use it in robotics prototypes, workshop tools, or home automation systems. Expand your projects effortlessly by integrating this LED displays module with sensors to create interactively dashboards, clocks, or educational STEM set. Specifications: Component:Plastic Size:Approx.70x57mm/2.76x2.24inch Display quantity: 4digits Applicable scenario:Digital counter Package Includes: Package A 1pc 4Bit Digital Tube displays module Package B 3pcs 4Bit Digital Tube displays module note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.