... ) Lifespan: 3000hours 4) CE TUV GMC ISO9000 HID headlight H4 Single Beam : 1. Two original HID lamps, two matched ballasts, several annex and install ... types: H1, H3, H4, H4 (H/L),H4(Bi-xenon),H4(halogen-xenon), H7, H8, H9, H10, H11, H13, H13 (H/L ... of charge for our customers according to the warranty terms. HID Headlight H4 Single Beam