Features:
1) Lamp Types:(low beam)H1, H4, H7, H8, H9, H10, H11, H13, 880, 881, D2C, (D2S, D2R) 9003, 9004, 9005, 9006, 9007
Hi/Lo type: H4 Hi/Lo, H7 Hi/Lo, H13 Hi/Lo, 9004&9007 Hi/Lo
2) Color Temperature and Color: 3000K (Gold) 4300K (white) 6000K (sunny white) 8000K &10000K (blue) 12000K (sky blue) purple, pink, green, dark blue 15000K
3) High Brightness: Three times luminous flux as that of halogen tungsten lamp
4) Long lifespan: Over 3000hrs
5) Low power consumption
6) Fashion and upgraded style
7)24 months warranty or further negation
8) several  different-design ballasts for choice

Whole kit included:
 2 x any K HID Bulbs ( any bulbs & any ballast are available)
 2 x12 Volt Slim ballasts (with built-out starter/igniter for better performance & reliability)
 2 x secure Mounting Brackets
 All necessary wires and install accessories
 Installation Manual