Audi A4 96 97 98 99 00 01 LED-Tail Lights + Hi-Power White LED Backup Lights - Smoke (Pair) 204 times quicker light-up time and brighter light output for supreme safety. LED uses no fragile filament, therefore more durable and reliable. More vibration and weather resistant; less heat and more power efficient. High power LED Backup/Reverse lights provide brigher output illuminating 200% further and wider area behind your vehicle with natural white LED light color. LED bulbs last much longer and consume extreme low power compared to old-fashioned incandescent bulbs. OEM direct replacement with no modification needed for easy installation. 100% Street Legal (DOT and SAE Compliance) Covered by limited factory warranty and Free installation/technical phone support