Do LED & HID Headlights Fade Over Time?

Lighting Comparison: LED versus HID Lights

2005-2011 Lincoln Towncar Pre-Assembled Halo Headlights - HID

Five things to know when working on HID headlights - Shop Press

How to install H1 HID Bulbs in a 04-06 Nissan Altima

How many lumens are in a car headlight? - Quora

Why are the HiD headlights so bright, yet the wavelength (distance the light shines so short)? - Quora

New LED headlights, and some feedback with photos

HID Headlights 35W HID D2S Conversion Kit

Xenon Bulbs: A Complete Guide