LiteZupp Industries, LLC LED Lamps use State of the Art LED's to assure that you are getting an extremely BRIGHT LED Lamp. The circuit is designed to give maximum efficiency with a minimum number of components that could cause premature lamp failure. You will find that these lamps produce more light than the incandescent lamps they replace and run much cooler. Dual color are typically used for front turn signals and are offered in the Short housing with dual contacts using either a 1157 style base with offset pins or the 1142 style base with parallel pins. LiteZupp lamps are guaranteed for 2 years from the purchase date against failure due to materials and workmanship.