Professional installation is recommended. If you are unsure whether this product is your vehicle,just open up the hood and compare this product with the stock headlamp socket. Package Include: 4 x Headlight Adapters Unifizz Black Universal 2pcs 9006 HB4 LED Car Headlight 2x H1 LED Headlight Bulb Adapter Holders Socket Retainer Clip for Honda CRV CR-V Brand New $8.67 or Best Offer Designed for keeping steady when you replace the origin car bulbs. Allow you to replace most after-market LED bulb firmly,quickly on the original headlamp housing without destroying the priginal socket Easy to install,directly plug into your factory headlight housing socket,no modification needed. Please check your car's model before purchase. Description: Used for H1 halogen/HID upgrade to LED bulbs installation. Special designed plastic socket adapter for after-market H1 LED headlight bulbs. The only way to reattach is taking the driveshaft to a shop that builds these , they can rebalance the driveshaft for you Why need it? Because the LED bulb can't be installed steady when you replace the origin car bulbs,and our adapter is design for solve this problem. Headlight Bulb Retainer Clip Holder For Aftermarket LED Jual 4pcs H1 LED Headlight Bulb Adapter Base Holder Socket Retainer Clip Fit For Honda Prelude Odyssey I.1676401702 H1 LED Headlight Adapter