Double Ended Metal Halide Lamp: Color temperature:3500-6500K,lumence:11250Lm, life time 8000-10000Hrs. Base: R7S,different color Double Ended Metal Halide Lamp:1. life time: 8000-1000Hrs2 ... . Watts: 70W, 100W, 150W.3. Color temperature:3500-6500K,4 ...