I would like to ask what is the effect of this thing?
The role of decoration, play to see other people conspicuous
There is the effect of penetrating ah
No effect, that is, you can blindly opposite the car to the eyes, let him put your car
Two reasons for the first change of the bulb. Second, the headlight film. The latter majority. This is the first appearance is very personal, the second light is dazzling at night
