Diode Dynamics DD0010P HP11 Amber BulbsUpgrade. Add more light output and a modern appearance to your vehicle with the 1157 HP11. Populated with four side firing 1. 5W LED chips and one 5W LED chip with a projector lens on top, the HP11. Housed in an aluminum casing for maximum heatsinking properties, the HP11 will last for years to come. Best of all, installation only takes minutes simply take out your factory bulb and the HP11 will fit snugly in the socket. Brightness. At 310 lumens, the