... .Tunnel, Subway, Underground Lighting; 2.Gymnasium, Sports Stadium Lighting; 3.Building, Billboard Lighting; 4.Gas Station, Garage Lighting; 5.Park ... brightness with good heat sink 2)Easy installation and maintenance 3)Tempered glass: heat-proof, crash-proof 4)Steel bracket ... , blue, yellow and white8)No flickering,No UV,No infra-red radiation. Environment-Friendly and Healthy.9) High efficiency & low ...