To meet his goal fog lamps should be able to penetrate through the cloud. Certain types of lamps are designed to meet the requirements. These vary from standard headlights. There are several types of fog in the market. With halogen lamps and discharge lamps based luminaires. Mercury, or sodium or halide lamps are used to it.

Color dew is important for the importance of optimal use of them. Lights of different colors differ in their abilities, the cloud. From this perspective, the best red color. The dielectric strength is better than other colors. In cloud or fog, a red light visible for a longer distance in comparison to other colors. However, the red light, a stop signal and its red lights tail. The use of red color in cloud, leads to confusion. So the next best color in terms of penetration is usually yellow. Violet color of the fog lights also use the day, because they are crystal.