880 bulb size is available for both HID and LED systems. It is a very common size to replace your factory fog lights.
H12 bulb size is available only for HID systems. It fits the following sizes: 9040, 9045, 9055.
H12 is a very common upgrading for fog lights.
H12 bulbs are used to replace OEM H12 Halogen bulbs. If you are not sure about the right bulb size, you can look it up on the bulb itself or in the owner’s manual of your car. These products are designed to meet the requirements of those who want to have their car lights as bright as possible.