This comprehensive set of 20 LED Indicator Lights is perfect for customized installations or replacements. Crafted with durability in mind, each light features a robust metal construction, ensuring a long-lasting performance. 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. Easy Installation: Each indicator comes pre-wired for a quick and secure installation process, suitable for applications such as control panels, dashboards, and more. Colour:Blue Light Material:Metal Package Contents: 20 * Signal Lamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.