... . 5.CE,ISO certifica hid electronic ballast,slim xenon hid ballast Detailed Product Description 1.35W slim xenon hid ballast. 2.AC hid electronic ballast. 3 ... tested.8.Our ballast is compatible with all types of HID bulb:A:single beam : 880,881,H1,H3,H4,H7,H8 ... :Bi xenon/ Flexible/telescopic beam: H4-3, H13-3, 9004-3, 9007-33.HID electronic ballast features:1.Superior performance:safety,stable quality ...