2X 3157-A LED Decoder Warning Error Canceller Turn Signal Lamp Anti Flicker Load Resistor Set Built-in Decoder & Resistor. High Quality ABS Housing ensures the secure temperature range Cancel Error message cause by OBC (On-Board Computer) Check. Cancel Hyper Flashing on Turning Signal Reduce the Power on LED light so that can work better. Simply twist your LED bulb onto the base, and twist the other end into your existing bulb socket. Applicable to Most Auto Car Vehicle Automobile with 3157-A Socket. Compatible for 95% of vehicle with CANBUS System Including European vehicles such as Audi, BMW, Mercedes, Porsche, Volkswagen or domestic vehicles for fog lights or turn signal lights and ensure the LED bulbs light up full power without malfunction issue nor flickering issue. Package includes: 2x 3157-A LED Decoder Adaptor -- Voltage: 12V -- Working Wattage: 8W -- Material: High Quality ABS Housing -- Cable Length: Approx. 27cm (with LED decoder)