Zeiger Eco Aquarium Hood Led Lighting Fish Tank Light, White and Blue Adjustable 35'' - 47" Super-bright white and blue LEDs produce amazing Shimmer. Aquarium LED lighting,The fixture provides a high quality, energy efficient light Aquarium light for fresh water and salt water Use the 8000K white LED during the day and the Actinic Blue 460nm LED during the night Aquarium lighting, Adjustable metal brackets fit different aquarium sizes. Light Hood: 35 in L x 4.5 in W, Hood w/ Brackets Extend: 47 in L x 4.5 in W