With a capacity of 15L the small and perfectly formed baby biOrb has the same filtration system as the other Reef One aquariums and comes with everything you need to set up a safe stylish and simple to maintain desktop aquarium in a child's bedroom office or quiet corner of your home. Now baby biOrb comes with an automatic moonlight feature.- Safe acrylic bowl - 10 times stronger and clearer than glass. - Safe 12V - electrical system very safe for children. - Simple 5 stage filter - keeps water clean and crystal clear. - Easy to maintain - via the quickly replaceable filter cartridge. - Halogen light - concealed in lid with easy to replace spare bulb. - Full instructions - included with food and water treatment. - Compact size - ideal for apartments bedrooms & offices.