8K0941597E 8K0.941.597 E 8K0941597C W003T22071 Xenon HID D3S D3R D4S D4R Ballast Block For A1 For A3 For A4 For A5 For A6 For A7 Material: The xenon HID headlight ballast is made of aluminum and ABS materials, durable and wear-resistant, ensuring sustained performance even under harsh driving conditions Function: The built-in high-voltage seal accelerates current conduction speed, reduces power consumption, and achieves rapid start-up Headlight driver module, intelligent decoding eliminates faulty lights and improves light stability。 Xenon ballast, low power consumption and high brightness, no decay for long time use。, Manufacturer: LLYIXUAI