The 4 Inch 9 LED Round Red LED Stop, Turn, And Tail Light is a highly practical and efficient lighting solution for your vehicle. With a 4-inch diameter and 1.8 inches deep, this light features 9 red LEDs and a red lens, ensuring optimal visibility. Its polycarbonate lens and housing, along with sealed moisture-proof electronics, guarantee durability and protection against the elements. The patented Lightning Optics technology enhances off-axis visibility, while the grommet mount allows for easy installation. This light is compatible with most makes and models, making it a versatile and reliable choice.