The Fluval C.O.B Nano Aquarium LED offers a hybrid spectrum and 9000 K color temperature that supports fish-only marine tanks, as well as plant and coral species that require lower light levels, providing flexibility for your freshwater or saltwater NANO environment. Designed in Germany and backed by a dependable 3-year warranty, C.O.B. also features a newly designed mounting bracket with flexible positioning, a performance-enhancing IP67 waterproof rating, and wide angle light dispersion for greater area coverage.