1. Using C-BUS smart chip, it is highly compatible with the original car equipment and can effectively suppress interference to the original car computer. 2. Replaces original vehicle parts and does not require programming. 3. Voltage: 12V 4. OE: 4G0907397P 5. Applicable models: Suitable for Audi A1 8X 2015-2018 Suitable for Audi A3 8V with Xenon Headlights 2012-2016 Suitable for Audi A3 8V Facelift with Xenon Headlights 2016-2019 Suitable for Audi A4 B8 8K 2011-2015 Suitable for Audi A5 8T 8F 2011-2016 Suitable for Audi A6 C7 4G with Xenon Headlights 2011-2014 Suitable for Audi A6 C7 4G Facelift with Xenon Headlights 2014-2018 Suitable for Audi A8 D4 4H with Xenon Headlights 2014-2017 Suitable for Audi Q3 8U 2011-2014 Suitable for Audi Q3 8U Facelift with Xenon Headlights 2014-2018 Suitable for Audi Q5 8R 2013-2016 Suitable for Volkswagen Touareg 7P5 2014-2017 Suitable for Skoda Octavia MK3 3 III 5E 2012-2017 Suitable for Skoda Yeti 5L 2013-2017 ?