20W JC-20 Miniature Recessed Halogen Frosted Lens White Finish Lighting Fixture - 20W JC-20 Max (included) - Shallow installation depth ideal for use in shelving, cabinets and displays. (Not intended for use in walls or ceilings.) - Mounts quickly with butterfly clips - HR-1139 glass twists to relamp - Requires a Class II transformer(sold separately) - Housing:Included