The Coralife Mini Aqualight Compact Fluorescent Fixture is for small reef aquariums. Please visit our Lighting Chart page to identify the best light for your particular reef aquarium. Dimensions: 9" X 5" X 2"NOTE: Do not put this light in a canopyIncludes:One 9 watt 03 Actinic and one 9 watt 10K lampEasily removable acrylic lens coverHighly polished reflectorOn/off switchRecommended Accessories:To keep the light cycle consistent, we recommend using a timerReplacement Parts:We carry all the replacement lamps and most replacement parts for the Coralife Aqualight fixtures