Shower Dome 3 inch Trim has Frosted Glass with Satin Nickel, Chrome, or White trims. Sealed and has a gasket to prevent ingress of sprayed liquids. Rear re-lamping. One 50 watt, 2 volt MR16 type GU10 base halogen bulb is required, but not included. For use with TERE-00, 21949-012, and 24568-012 Housings, sold separately. UL listed for wet locations. 3.875 inch width x 1.625 inch height.