2X 3157-B LED Decoder Warning Error Canceller Turn Signal Lamp Anti Flicker Load Resistor Set Applicable to Most Auto Car Vehicle Automobile with 3157-B Socket. Built-in Decoder & Resistor. Cancel Error message cause by OBC (On-Board Computer) Check Cancel Hyper Flashing on Turning Signal. Cancel Hyper Blink on LED. Reduce the Power on LED light so that can work bette 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. Package includes: 2x 3157-B LED Decoder Adaptor -- Voltage: 12V -- Working Wattage: 8W -- Material: High Quality ABS Housing -- Socket Type: 3157-B