Amazon.com: H11 HID Headlight Bulbs 6000K Xenon White with 55W DC Slim HID Ballast by Yifengshun Super Bright Xenon HID Light Bulb for Auto High / Low Beam (2 Xenon Bulbs +
What Are HID Headlights?—Car and Driver
What is a Bi-Xenon Headlight? | Blog | PowerBulbs UK