... 45 working normallyApplicationMain road,secondary main road,spur track,streets and alleys road ,factory,subdistrict,hospital,school ... of U.S. imports of high-performance high-power LED chips, integrated package of advanced technology ... 360×0.6/1000=1080RMB Lamp life50000h,12yearsAbout a yearAbout a yearSecurityGoodWeakWeakEnvironmentProtectionGoodPoor mercury pollutionPoor mercury pollution High power ...