Aquaculture GloFish Blue LED Light, 6": * Add to your aquarium to create the ultimate GloFish environment * Blue LED light enhances the brilliant colors of GloFish fluorescent fish * Easy to add to any framed aquarium * Use one for 5 to 10 gallon tank * Use two for 20 to 55 gallon tank * Comes complete with waterproof blue LED light, frame clip, cord routing clips, light switch and low voltage transformer