Main application:office,meeting room,waiting hall,department store,supermarket,shool,and showroomInstallation:Ressed and ceilinng mounting with chain and lineSpecification:Housing :high-quality steel or aluminium,surface is coated with white power.oil removed and rust removed .Reflector:excellent mirro aluminium or matt aluminiumBallast:electronic ballast or magnetic ballastWire:copper wires or aluminium wires