... avoid light pollution Applications: Widely used in Roads, highways, parking lots, pedestrian streets, intersections, electric power dispatch center, ... Epistar ,Opto , Cree , Nichia Country of Origin Taiwan. United States. Japan Span life 100,000 Hrs Item 2--- Modules ... Window7 ,Vistar Competitive Advantage: 1.high brightness 2.wireless control control system 3.brightness sensor help customers save ...