HID xenon Ballast 1.Internal voltage protection 2.L norm : 3. ... .Power output: 35W super slim ballast high quality Auto Slim HID xenon Ballast Long lifetime: 3, 000 to 3, 500 hours ... ,D2R; Moving Series:H4-3,H13-3,9004-3; Double Lamp Series:H4-4 9004, 9007-4, H13-4 Package Includes ... :35W HID XENON Slim AC Ballast 1.Long lifetime: 3, 000 to ...