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. 57 Style lamps have two contacts in the base and will replace the 1157 incandescent lamps that go behind a lens of the same color and point straight out. LiteZupp lamps are guaranteed for 2 years from the purchase date against failure due to materials and workmanship.