... reflector with excellent reflection effect3. Tempered glass: anti-heat and anti-shock4. Average lifespan: 12000 hours 5. High ... .99; low harmonics content, less than 5%6. Energy saving lamps as light source, color rendering index highest to ... tunnel, bridge, building elevation, landscape, glorious lighting project, advertising, workshop, warehouse, station, pier, shopping mall, etc.More of Our Factory ...