For Alfa Romeo, Passat b6, Renault Megane 4, MAGOTAN, KUGA 2017 H7 Headlamp LED Bulbs Base Adapter Holder

【Compatible with H7 LED bulbs, Applicable car models H7 halogen bulb change to H7 led lamps】 Compatible with Alfa Romeo Compatible with VW passat b6 Compatible with MAGOTAN 2009-2010 Compatible with KUGA 2017 Compatible with Renault Megane 4. 【Special designed for】 Halogen upgrade to LED headlight bulbs conversion adapter holders. 【Only halogen headlamps】 Allow you to place most aftermarket LED bulb firmly, quickly on the original headlamp housing without destroying the original socket. 【Easy to install】 Plug into your existing factory headlight assembly, no modifications needed. 1. Under what circumstances is an LED base required? If you want to upgrade the car's original halogen lamp to an LED lamp, but the halogen lamp depends on the base fixed to the car headlight assembly, you need to replace the halogen lamp base with the corresponding model LED base. 2. How to choose the right LED base? Since there are many car models on the market, it is impossible to list all models