Cool running Energy-efficient LED aquarium light fixture provides excellent general-purpose lighting for freshwater and planted aquariums. 6500K LED’s deliver full spectrum and light intensity capable of underwater plant growth. Lighting features three-mode ON/OFF switch (Daytime, Red Spectrum and OFF positions) so you can manually transition from daylight to red spectrum light conditions with ease. Sizes from 18” up to 42” with adjustable metal brackets, Waterproof Touch Control Light Switches, Power Cord and Hanging Clips.