2X 3157-B Turn Signal LED Decoder Adaptor Anti Hyper Flashing Error Free Canceller Kit 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. Housing Color: Black; Voltage: 12V; Working Wattage: 8W; Cable Length: Approx. 30cm (with LED decoder) Socket Type: 3157-B; Material: High Quality ABS Housing Package includes: 2x 3157-B LED Decoder Adaptor