... ,energy-saving and enviroment protection;3.Constant current design,low light degradation;4.Long life-span,strong stability;5.Easy setting ... , saves 60% power comparing conventional lights;2. Less than 6% light attenuation within 5,000 hours running, 50,000 hours lifespan ... building, the lighting project for the resorts, the decoration of stage, home decoration, coffee house, etc. high power LED ...