Aquael Eco Light 24W T5 are energy saving, extra bright & easy to use. They give 20% more light than comparable T8 flourescent lamps. Eco Light modules have electronics inside & meet the IP67 standard, which means that even in case of being randomly immersed while operating in the tank, they are completely harmless for both the animals living in it & the aquarium user. The Ecolight Sunny is 6500K; Ra 85. Create the sun in your aquarium!