*Warm color light: The warm color light's color temperature under 3000K, warm color and incandescence lamp close, can as the warm, health,suitable feeling for people,be the same with family, housing, dorm, hotel etc place or lower temperature place.

*White color light:  also be call mid-color, its color temperature in the 3300-5300,cause the ray of the mid-color have suavity, let people have pleasure,suirable,serene feeling. be the same with shop,hospital,restaurant,waiting-room etc place.

*Cool color light:  Also be call daylight color,its color temperature above te 5300K, lamp-house nearly nature light, its have bright  feeling, let people's energy will heighten, be the same with office, council-chamber, classroom, atelier, library' reading-room, exhibition shopwindow etc place.