Genssi H1 6000K HID Kit Xenon Headlight Conversion Kit Simple installation ; Usually in 20 minutes or less (some vehicles may require a professional installation) Genssi HID Ballasts are 100% Water-proof, 100% Dust-proof, 100% Shock-proof designed in the USA Color temperature is a characteristic of light that is sometimes mistaken as brightness, when it is related to "cool" and "warm" tones of light; Color temperature is a measure in Degrees Kelvin of the hue of a light source, in this case the HID bulb; (The term color temperature actually refers to the color associated with the amount of heat needed to produce that color from an ideal black body) Produces 2 to 3 times more light than your factory halogen bulbs; 3000K = Yellow 4300K = Bright white yellow tinge 5000K = Pure white 6000K = Bright white (some detect slight blue) 8000K = White with blue tinge 10000K = Light blue 12000K = Blue 15000K = Darker Blue (may appear violet) 20000K = Blue indigo 30000K = Indigo Includes 2x bulbs and 2x ballasts