Mesinton 2XBallast+2XPad Pair 55w HID Replacement Slim Ballast for H1 H3 H4 H7 H10 H11 9005 9006 D2r D2s All Sizes Included items : 2 HID Ballast,2Heavy duty heat resistance metal pad,screws 100% waterproof and 100% dustproof. Resistance to heat and aging, as well as vibration tested. The ballast has perfect performance on over-voltage,low-voltage, no-load and anti-access protections Compatible with: H series: H1,H3,H3C,H4-1,H4-2,H7,H7C,H7R,H8,H9,H10,H11,H13,H13-2 9 Series:9004,9004-2,9005,9006,9007-2, 9007, 9007-3 D Series: D2S,D2C,D2R; Moving Series:H4-3,H13-3,9004-3; Double Lamp Series:H4-4 9004,9007-4, H13-4 Fulfilled by Amazon, 30 days return policy