In order to be able to differentiate between the fake Lumen rating of LED car headlight and the actual Lumen rating of LED car headlight, it is important to understand what Lumen is. The Lumen is the SI unit of the luminous flux and it is often denoted as lm. Luminous flux is the measure of the total amount of visible light released by a source. The amount of Lumen is considered to be the level of brightness of the LED car headlight bulb.

LED car bulbs and Halogen bulbs are considered by many people to be two of the best car bulbs available in the market. However, these two car bulbs are very different and have different benefits. Their differences include;