Hamilton Technology Bell Pendant Metal Halide Lighting Fixtures are for reef aquariums. They can be be easily hung from the ceiling. Features:One 175 watt 20K mogul base metal halide bulbUV filtering acrylic lensPendant hangs by power cordGloss black finishRecommended Accessories:To keep the light cycle consistent, we highly recommend using a timerReplacement Parts:We carry all the metal halide replacement lamps and many of the replacement partsNOTE: This item is drop-shipped directly from the manufacturer. We do not offer expedited shipping for this item.