Cool running Energy-efficient LED aquarium light fixture provide excellent general-purpose lighting for freshwater or marine aquarium. High output (14000K) LED’s deliver full spectrum and light intensity capable of supporting Marine life. Lighting features three-mode ON/OFF switch (Daytime, Lunar and OFF positions) so you can manually transition from daylight to lunar light conditions with ease. Sizes from 18” up to 54” with adjustable metal brackets or plastic stand, Waterproof Touch Control Light Switches, Power Cord and Hanging Clips.