Key Specifications/Special Features:2 HID, 35W lamps2 ballasts with built-in starter brackets (2pcs) harnessPower: 4,300K - 10,000KYellow white: 4,300K - 5,500KBlue white: 6,500K - 10,000KLamp type: H1, H3, H7, H4 Hi/Lo, 9004, 9005, 9006, 9007Color temperature (K): 4,300K, 5,000K, 6,000K, 7,000K, 8,000K, 10,000K, 12,000KLife hours: more than 3000 hoursLuminous: 3,200LM (three times more luminous than the common lamps)Waterproof: meet DIN 40050 legal standardDustproof: meet SAE J575 legal standardShockproof: meet DIN 40046 legal standardOperating temperature range: - 20 deg.C to + 85 deg.CInstallation: only need attach HID bulb to the original lamb hole, stick ballast and connect the powerShort circuit and broken circuit protection