H4 12v 100w car bulbs alsoize more brightly and have a larger boiling point, allowing the car to start electric and lowering energy consumption. This makes it even cheaper than halogen gas, especially it is low in consumption and it has a low boiling point.
Halogen bulbs are stronger, lighter than halogen bulbs. They are much cheaper and less expensive. H4 12v 90w halogen bulbs have a higher brighttage than halogen bulbs, and they require less energy to operate. H4 12v 90w makes halogen bulbs much cheaper and less expensive.