| Description |
Incandescent Signals |
LED Signals |
| Power Consumption |
100 W |
5 ~ 10 W |
| Sun Phantom |
Need color light filter cover, easily produce Sun phentom |
High brightness, Pure color light, apparent brightness contrast, no Sun pheltom
|
| Average Life |
4000 hours |
70,000 to 1,00,000 hours |
| Cost of Maintenance |
High |
Low (95% cost reductive) |
| Environmental |
increase of Co2, the pollutant as well |
Environment - friendly |
|