... to the sunlight 2. good color temperature 3. high luminous efficacy xenon mental halide lampadvantage: 1.spectrum ... good color temperature, 3000K,4300k,6000k,8000k,10000k,,, 3.high luminious efficacy ,little light pollution. 4.energy saving , ... 150W xenon metal halide lamp instead of the 400W high pressure sodium lamp. 5. long lifespan , about 6000 ... decline xenon metal halide lamp for street and road