Features: The light bulb socket anti-slip clasps, hold the light bulb in place. Plug and play, direct replacement. With a tight seal, keep water and dirt out. Professional installation is highly recommended. (There is no instruction included) This is a non-OEM product, accessory only! Specification: Material: Plastic, Metal Color: Black Pin Number: 2 Size: 4.9x2.7x2.8cm / 1.93"x1.06"x1.1"(L*W*H) OE Number:1C0953123CFitment:for Audi Q7 2010-2015Package Included:1 x Bulb Holder Socket