... % conversion efficiency in cloudy day center illumination 38~100 Lx SOLAR STREET LIGHTCE ROHS,60W LED= 250W HPS4~5% conversion efficiency ... ,center illumination 38~120 lux2.Rated power: 30w,60W,90W,120W,150W3.LED quantity:36, 42 , 56, 84, 1124.Color temperature ... days normal lighting at least 110W to replace 250W HPS SOLAR STREET LIGHT