Coralife 08609 Lunar Aqualight Compact Fluorescent Fixture 48inch mini projector Available in two sizes: the Available in two sizes: the Large model is 24 inches long by 16 inches wide by 20 inches tall and is recommended for small to medium size pets easy to carry and use Low battery indicator is available For dogs from 15 pounds to 120 pounds 90 day return period and lifetime warranty How it works Compact fluorescent lamps provide higher intensity light output compared with traditional T8 lamps and have become a staple in aquarium lighting applications The LEDs can be positioned to add a shimmering moonlight accent over a specific area in your tank or the LEDs can be set to provide a more even distribution of moonlight