waterproof, shockproof low power consumption Size:2.5 inch, 2.8 inch, 3.0 inch two HID BI-xenon projector lens lights,two inverters, a relay with wire,a set of orientation ring(like adaptor which can match H4, H1,H7,9005,9006,9004,9007), a set of screw,a piece of silica gel,and a user manual.(If you want ballast, we can supply)..Power parameter:HID burner parameter Start-up voltage:23KV Rated ...