16Pin, comes as one pair of left and right, which is made to meet your needs. Fit for A6 C7 20122018. 2The delay level can be adjusted on the module. There are 10 levels from 0 to 9. "0" means no delay, and an increase of 1 level in turn means the delay is superimposed by 10ms. 3The module slightly delays the control of the external steering signal, which produces special effects. 4The dynamic turn signal wiring harness will bring a distinctive and unique appearance to your car, which can add an luxurious sense to it. 5The plugandplay harness can produce the desired effect without coding, which is very simple. Item Type: DynamicTurnSignalBlinker ModuleMaterial: PBT+FEPSpecification: 6-PinQuantity: A pair of left and rightInstallation Method: Plug and PlayFitment:Fit for A6/S6 C7 2012-2018(Only For Taillight With Following OE Number:4G5 945 095 C / 4G5 945 096 C 2015-20184G9 945 095 E / 4G9 945 096 E 2015-20184G5 945 095 A / 4G5 945 096 A 2012-2014) 1 x Pair of DynamicTurnSignalBlinker Module (Left and Right)1 x Manual 1. Professional Installation is Highly Recommended.2. Confirm whether the OE number of the original taillight is within this compatibility. 3. Please double check the part number of your item, matching information is for reference only.4. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks