This comprehensive set of 20 LED Indicator Lights is perfect for customized installations or replacements. Sizes: Available in sizes of 6mmand to match your specific design requirements. Multiple Voltages Compatible: These indicators are versatile, voltages including 3V making them perfect for numerous electrical environments. Crafted with durability in mind, each light features a robust metal construction, ensuring a long-lasting performance. Easy Installation: Each indicator comes pre-wired for a quick and secure installation process, suitable for various applications such as control panels, dashboards, and more.