H8 size is available only for HID system. It is installed in headlights and fog lights with the specific bulb size H8.
The H8 bulbs have 2-pin connector to the factory wiring harness
H8 bulbs are used to replace OEM H8 L-Shaped Halogen bulbs. To make sure that this is the correct bulb size for your car lights, you can look it up on the bulb itself or in your car owner’s manual.
These products are designed to meet the requirements of those who want to have they car lights as bright as possible.