Features: 1.The module controls the outer turn signal with a slight delay to get special effect. 2.The dynamic turn signal harness adapter can brings you a different and unique look to the operation. 3.The delay level can be adjusted, total 10 levels from 0?9, "0" means no delay, increasing by 1 level in turn means the delay is superimposed by 10ms. 4.Specially fit for A8/S8 D4 Pre?Facelift 2010?2013, for A8/S8 D4 Facelift 2014?2017, for A8/S8 D5 2018-2019. 5.Support plug and play installation, no coding is required to produce the desired effect. Specification: Item Type: Dynamic Blinker Module_x000D_ Material: PBT+FEP_x000D_ Type: 6-Pin_x000D_ Quantity: Pair(Left+Right)_x000D_ Installation: Plug and play_x000D_ Fitment:_x000D_ Fit for A8/S8 D4 Pre-Facelift 2010-2013_x000D_ Fit for A8/S8 D4 Facelift 2014-2017_x000D_ Fit for A8/S8 D5 2018-2019_x000D_ (Only For Taillight With Following OE Number:_x000D_ 4H0 945 095 / 4H0 945 096 2010-2013_x000D_ 4H0 945 095 H / 4H0 945 096 H 2014-2017_x000D_ 4H0 945 095 L / 4H0 945 096 L 2014-2017_x000D_ 4N0 945 091 B / 4N0 945 092 B 2018-2019) Note: Professional Installation is Highly Recommended!!!_x000D_ Please confirm whether the OE number of your original taillight is within this compatibility.