Specification: Product name: led headlight bulb adapter Condition: New Material: ABS Socket: 880 / HB4 / HB3 / H11 / H7 / H4 / H3 / H1 Quantity: 2pcs/set Features: Special designed for LED headlight bulbs sole piece conversion adapters. For only halogen capsule headlamps! This will allow you to place any aftermarket LED bulb firmly, quickly on the original headlamp housing without destroying the original socket! Pop up the hood and compare this product with the stock LED headlamp socket, you can make sure whether this product is compatible with your car. Easy to install, plug into your existing factory headlight assembly, no modifications needed. Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There Are No Instructions Included In This Kit.Professional Installation Is Highly Recommended! 4.Please check the LED light base type of your vehicle to confirm if the bulb will fit it. 5.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. Package Includes: 2pcs of adapters for led headlight bulbs