... wide voltage:AC85-265V,AC 277-300V.2)With constant current constant voltage control circuit.3)Overcome the light instability&noise,because ... .4)Special design for heat sinking,ensuring safe working temperature and long life.5)True color rendering with optional ... RoHS&FCC&ISO;(UL with power supply).9)Application:Building,factory,warehouse,large supper market,sculpture, stadiums, squares,docks etc. ...