Features: 1.The 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. 2.The dynamic turn signal wiring harness will bring a distinctive and unique appearance to your car, which can add an luxurious sense to it. 3.The module slightly delays the control of the external steering signal, which produces special effects. 4.The plug?and?play harness can produce the desired effect without coding, which is very simple. 5.Contains one pair, processed with PBT and FEP material, which makes it have maximum durability. Specification: Item Type: Dynamic Turn Signal Blinker Module_x000D_ Material: PBT+FEP_x000D_ Specification: 6-Pin_x000D_ Quantity: A pair of left and right_x000D_ Installation Method: Plug and Play_x000D_ Fitment:_x000D_ Fit for A3 8V 2013-2018_x000D_ (Only Fit for Taillight With Following OE Number:_x000D_ 8V5 945 095C / 8V5 945 096C 2013-2016_x000D_ 8V5 945 091 / 8V5 945 092 2017-2018_x000D_ 8V4 945 091 / 8V4 945 092 2017-2018_x000D_ 8V3 945 091 / 8V3 945 092 2017-2018) Note: 1. Professional Installation is Highly Recommended._x000D_ 2. Confirm whether the OE number of the original taillight is within this compatibility._x000D_ _x000D_ 3. Please double check the part number of your item, matching information is for reference only._x000D_ 4. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!