C.O.B. (Chip On Board) Nano LED, 6.5WOffering a hybrid spectrum and 9000K color temperature that supports fish only marine tanks as well as plant and coral species that require lower light levels, C. O. B. provides Flexibility for your freshwater or saltwater nano aquarium. C. O. B (Chip On Board) technology Multiple mini LEDs packed into a tighter space provide greater energy efficiency, spectral performance and light output Adjustable positioning up down and side to side New over the