The ‘1189’ series features the classic dome lens and city lights, perfect for classics, restoration and hot-rods that appreciate added flavor. Lead-crystal glass lens does not oxidize (become hazy or accumulate film) like plastic lenses. Added lead enhances glass strength. Prismatic lens provides superior photo-metric light distribution. Four time finished vacuum metalized steel reflectors improve reflection 4 to 1 next to stock. Bulb assembly protected by high-density silicone rubber boot with venting to guard against dirt and moisture.Mini City Lights can be wired to turn signals, parking, or daytime running lihts as desired. (City light wiring harness not included).