... light,,have CE ,environment-protecting,long lifespan 2011 top quality led spot lightsAluminum shell,aluminum shell surface traeatment,indeoendent ... gymnasiums,parks,building facade lighting 2.lighting distribution curve:3.Main inplication paramteter/modelYB-WTD-K54WYB-WTD-K108Winput voltageAC24VAC24V ... ° 45° 60° 90 °15° 45° 60° 90 ° led lnitial flux80-100/wlm80-100/wlmled color rendering indexra>85ra ...