3 Inch Square Shower Trim features a square trim ring available in Brushed Nickel or Matte White with a frost glass lens. 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. 3.75 inch square outside dimension. A complete fixture consists of a housing and trim, sold separately.