The Fluval Aquasky LED lets you customize your aquatic universe, pairing super bright white LEDs with tri-colored LEDs (red, blue, and green). This powerful combination offers an adjustable light spectrum, which can replicate several natural environments and create stunning visual effects such as cloud cover, fading lunar, storm and lightning. Key Features : •6500K white LEDs with tri-colored RGB LEDs offer an adjustable light spectrum •Replicates various natural environments, as well as creating cloud cover, fading lunar, storm and lightning effects •Skypad remote control: adjust your color & sky effects; choose from up to 11 preset sky effects and a wide array of color selections •120 degree light dispersion for full area coverage and uniform lighting •Extendable mounting brackets allow easy installation on a variety of aquarium widths and can replace your T5/T8 lighting •Extension range: 53 to 83 cm (21 to 32 inch) •Watts: 16 W •Lumens: 1100 lm •Color Temp: 3000-25000K •Lifetime Hours: 50,000 •For Fresh and Saltwater Aquariums