H4 X-Treme light bulbs use Xenon gas for enhanced bulb life.
They feature extreme looks with their blue-coated glass, and they have a super-white appearance when lit.
This item is halogen replacement bulb, it is the direct replacement headlight bulb for vehicles.
Direct replacement for car low beam, high beam, fog light bulbs.
Simple installation. Just plug and play. 2 pcs per pack.