The Aqua One ArcGlo LED light unit will illuminate your underwater oasis. The energy-efficient LED light units are the perfect addition to any small aquarium.Features & Benefits:Energy-efficient LED lighting.Includes a dimmable function by holding down the touch switch.The dimmable light feature is beneficial for shy or light-sensitive fish species.Three different light settings which consists of daylight/moonlight, moonlight and daylight.Creates an aesthetically pleasing aquarium enhancing ..