1.Highest quality and consistent performance 2.With little color shift or loss of output 3.With long life 400W Metal Halide Lamp Technical Data Sheet Item #FinishGlass sizeInitial LumensColor Temp.Avg.LifeCRIMPS400/3KClearT1540,0003,00010,000 H65MPS400/7KClearT1532,0007,00010,000 H65MPS400/10KClearT1524,00010,00010,000 H65