This Custom Bundle Includes: 4 Kessil A80 Tuna Blue 15 Watt Reef LED Lights Kessil A80 Tuna Blue 15 Watt Reef LED LightThe new Kessil A80 LED fixture is an ultra-compact, completely silent, LED fixture that is great for Nano Reef Aquariums and Fish-Only Aquariums. Design:Innovative heat dissipation allows for a sleek, no cooling fan, low maintenance, shell-shaped design. Advanced optics create smooth color mixing and a beautiful shimmer.Dense Matrix LED Array:Kessil's unique, efficient Dense Matrix LED array is built in-house and packs high-power and deep penetration onto a single small chip.Efficiency:Utilizing Kessil's carefully designed optics and the Dense Matrix array, the A80 provides the most light per watt of any fixture built so far.Spectrums:The result of years of research and testing, our aquarist-specific spectrums ensure vibrant coloration and prolific growth.Advanced Controllability:Use the dials on the fixture to quickly set the spectrum and intensity for a personalized look or use your favorite 0-10V controller. Kessil Logic maintains consistent output no matter the spectrum. Daisy-chain multiple lights (with Link Cable, sold separately) for seamless control from a single source. Use the Kessil Spectral Controller X for advanced programming and automated control.Specifications: Dimensions: 4.88" x 0.98" (Diameter x Height) Coverage: Up to 24" x 24" for fish-only aquariums, 14" x 14" for reef aquariums Power Supply: 100-240V AC (input) 24V DC (output) Power Consumption: 15W What's in the box:A80 Tuna Blue LED fixture, DC Power Supply, Mounting Adapter.