2.5 gal Corner Aquarium Kit:Multi-color LED lighting with 7 dazzling colors that will really bring your aquarium to life: amber, aqua, blue, green, purple, red, and daylight white colors to choose depending on time of daypact and stylish, this beautiful desktop aquarium fits anywhereInternal power filter with an optimal flow rate of 20 gallons per hourEnergy efficient LED lighting brightly illuminates tank inhabitants without the cost and heat transference of other conventional aquarium lightingImpact-resistant plastic, child-safeUses 3 AAA batteries not included