... Heat Dissipation.Low heat, no radioactive,non-mercury, sodium and other elements harmful to human health.Green ... Urban trunk roads, Residential roads, Sidewalk lighting, Landscape lamp, Courtyard lighting, solar and wind-powered Lighting, Mines, ... tools and other lighting, Incandescent lamp,HPS, energy-saving lamps, Electrodeless lamps, mercury lamp, sodium lamp without to replace the original ...