1 Pair 3157B LED LED Decoder Adaptor Warning Error Canceller Turn Signal Lamp Anti Hyper Blinker Fitment: Applicable to Most Auto Car Vehicle Automobile with 3157-B Socket This decoder will work for European vehicles such as Audi, BMW, Mercedes, Porsche, Volkswagen or domestic vehicles for fog lights and ensure the LED bulbs light up full power without malfunction issue nor flickering issue Built-in Decoder & Resistor High Quality ABS Housing ensures the secure temperature range Package included: 2x 3157-B LED Decoder Adaptor