HID kits include special HID bulbs that have no filament (unlike halogen bulbs). This means they last up to 10 times longer than regular bulbs. That's 7500 hours versus 750 hours for regular bulbs.
2 - They Product More Light
HID kits produce 3 to 4 times more lights than regular headlights. This is 3400 lumens versus 900-1200 lumens for regular bulbs.
3 - They are Easy to Install
Real plug-and-play kit such as these can be installed in 15-30 minutes and require no modification to the electrical system of your vehicle.
4 - They Use Less Power
Good quality 35W HID kits use only 35W of power versus 55W for regular halogen bulbs. This means they run cooler and use less power from the vehicle's electrical system.
5 - They Look Good and Cool
HID Kit look much better than regular bulbs because of the white/blue light that they produce. You can tell that a car or truck has HID light from far away. They give style and class to any vehicle they are installed on.
In general the colors available vary between 3000K and 12000K, specifically 3000K, 4500K, 5000K, 6000K, 8000K, 10000K, 12000K.
The bulb types that are the most used are H1, HB1, HB2, H3, HB3, H4, HB4, HB5, H6, H6M, H7, H8, H9, H10, H11, H13, 9003, 9004, 9005, 9006, 9007 and 880.