... officelighting.4. Optimized light extraction system delivery high lumens.5. No RF interference, Lead free.6. Long lifetime ... Good color vision, color temperature can be adjusted from 3000K to 7500K11. Easy mounting, can be mounted directly.12. No need accessories ... Conference, meeting room, show room, showcase;4. Commercial complexes;5. Factory, plant, warehouse, office;6. Supermarket, department store ...