Features : 1, Housing:using high-quality cold-rolled steel plate , degreasing , discaling , phosphate before electrostatic spraying painting 2, Reflector:using high-quality imported alumite or homemade dumb aluminium , it won't become oxidized or yellow 3, High luminous efficiency 4, Elegent apperance Installation Recessed, surface mounting Finish: Sub-bright alumium, miro-surface I-TYPE, V-TYPE Lamp: T5/T8 Application Stores, office buildings , exhibition halls , aisles ect.