... failure rate less than 1% HID Bulb Parameter: Bulb TypeSingles Beam: H1,H3,H4-1,,H7,H8,H9,H10,H11,H13 ... months Contents2 bulbs+ 2 ballasts+ all necessary fittings+ 1 user manual HID Ballast Parameter: Model12V 35W12V 55W24V 35W24V 55W Reted Input ...