WAC Lighting HR-1137-BK Low Voltage Mini Recessed - Round Adjustable Trim with glass lens, MR11 lens clip, and Black Steel housing with 36in of 18 gauge lead wire included For use in under cabinet, shelf, and general task Lighting applications Cutout template included for recessed installations Smooth and continuous dimming to 10% with an electronic low Voltage (elv) dimmer Lamp sold separately - 12V 25W max MR11 incandescent or LED lamp. Standards: UL, CUL listed for Damp locations Shallow installation depth ideal for use in shelving, cabinets and displays Not intended for use in walls or ceilings Mounts quickly with butterfly clips Requires a Class 2 transformer 12V, 35W max MR11 (ordered separately)