The Alabaster Rocks Bowl Pendant features a round or square bowl diffuser made of shaved alabaster rocks cast into resin with a Dark Bronze, Matte Black, or Brushed Nickel finish. Four sizes and two lamping options available. Incandescent: 75 watt max 120 volt A19 medium base bulbs are required, but not included. LED: Integrated 39/65/78 watt 120 volt 3000K, 90CR9I LED light source. Small: 21 inch width x 24 inch height x 48 inch maximum length. Medium: 27 inch width x 30 inch height x 72 inch maximum length. Large: 39 inch width x 48 inch height x 96 inch maximum length. Extra large: 51 inch width x 60 inch height x 132 inch maximum length. UL listed for damp locations.