This Lens Kit for D7 lights is designed to maximize visibility in foggy and rainy conditions. Both Amber and Selective Yellow color lens increases visibility in fog and rain by blocking blue frequencies from the light, which reflect off water vapor and decrease vision. . Choose Amber to match your OEM turn signals, or Selective Yellow for even more daytime visibility to oncoming traffic. What’s In The Box? (x2) D7 Lens SKU: DNL.D7.10100