3 Inch Square On Square Trim with Square Pinhole available in Matte White or Brushed Nickel trim finish. Clear lens included. Steel metal clips to secure trim to housing. 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. 3.75 inch square outside dimension. A complete fixture consists of a housing and trim, sold separately.