3 Inch Square Shower Trim with Frosted Glass available in Matte White or Brushed Nickel finish. One 50 watt 12 volt GU5.3 MR16 halogen lamp, 50 watt 120 volt GU10 MR16 halogen lamp, or LED equivalent is required, but not included. Rated for damp locations. 3.5 inch square outside dimension. A complete fixture consists of a housing and trim, sold separately.