1. H ungaro L ux Light Presenting the LED light source Development Engineering System optimization Street lighting Manufacturing

8. Light source Efficacy (lm/W) Lifetime (hours) Colour Rendering Index (CRI) More Traditional bulb 13–15 1 000 100 Halogen bulb 16–30 4 000 80-90 Induction lamp 50–70 30 000 80–85 Compact fluorescent tube 60- 80 10 000 80–85 Metal halide lamp 70–120 10 000–20 000 70–90 LED HungaroLux Light 90-140 70 000 80-85 High pressure NA lamp 90–150 24 000 40 Low pressure NA lamp 120–170 16 000 no colours seen

12. Expected cost-saving using HungaroLux Light LED light sources Efficacy lm/W Expected saving (%) HungaroLux Light Wolfram filament bulb 8-12 85-95 % Halogen bulb 18-24 75-85 % Tensioned metal halide 25-35 60-80 % Fluorescent tube 40-60 45-70 % Compact fluorescent tube 55-70 35-60 %

13. Expected rate of return using HungaroLux Light LED light sources operating time (hour/year ) expected rate of return (months) Wolfram filament bulb 3500-5000 14-16 5500-8760 10-12 Halogen bulb 3500-5000 14-16 5500-8760 11-14 Tensioned metal halide 3500-5000 18-20 5500-8760 14-18 Fluorescent tube 3500-5000 19-23 5500-8760 17-20 Compact bulb 3500-5000 30-36 5500-8760 20-24

15. REFERENC ES