LED Traffic Light

Features:
1) Optical performance:
  a) Luminosity:
    i) Red: 500CD/m? 
    ii) Green: 500CD/m? 
    iii) Yellow: 500CD/m?
  b) Main wavelength:
    i) Red: 626nm
    ii) Green: 505nm
    iii) Yellow: 590nm
2) Electric performance (rated voltage): AC 220V?0% or 110V?0%
3) Power consumption (example):
  a) Red: ≤7W
  b) Green: ≤12W
  c) Yellow: ≤14W
4) Working environment: 
  a) Working voltage: AC 220V?0%, or 110V?0%
  b) Environment temperature: -15 ~ +50癈
  c) Relative humidity: 90% (25癈)
  d) Atmosphere pressure: 86 ~ 106KPa
5) Weather condition: rain, snow, fog, wind and sand, salty fog situation
6) Operation life (life of LED): 100,000 hours
7) Maintenance: almost maintenance free