Material: These LED indicator light are made of high-strength metal material, waterproof, dustproof and corrosion resistant.It is not easy to break, has quality and ensures maximum strength and durability for long lasting usage. Wire Connection: With wire connection, which is easy to install and more convenient. LED Lamp Beads: These High-bright LED lamp beads with vivid colors and high recognition. Extensive Use: Wide range of working temperature,suitable for many scenarios.It suitable for cars, van, trucks and other universal vehicles, and it is a perfect choice if you are in need of LED indicator light bulbs. 5 Colors of Lights: Each set includes 5 colors of lamp for different needs.