02-05 Audi A4 / S4 Angel Eye Halo & LED Projector Headlights (HID)

02-05 Audi A4 / S4 Angel Eye Halo & LED Projector Headlights (HID) Is One Type Of Headlights That Produces A Stronger Beam Compared To Most Parabolic Headlights. Projector Headlights Light A More Focused Area, Providing Fewer Of What We Called "Scatter Loss". Their Design Is Somewhat Similar To A Slide Projector. Nowadays, This Type Of Headlights Is The Most Common For Most Cars And Trucks Since Safety Is The Number One Concern Of Road Users.