The whole kits include: 2 ballasts, instruction book, repair-card, 2 steel plank, 2 groups of setscrew, 2 pcs of dual-adhesive tape. Features:1) UV cut glass for headlight protection; 2) Waterproof and vibration resistance; 3) Color temperature: 3,000 ?25,000K; 4) 12V / 24V, 35W available; 5) Luminous flux: 3,200lm of 35W, 5000lm of 55W; 6) Significantly lower electrical power consumption, and high light efficiency;