The Sonneman Vanity Slim small square bar, eco-friendly LED flushmount bathroom wall light is one of the most versatile designs in the history of bath lighting. With polished chrome finish metal and a frosted optical acrylic diffuser, its extra-slim design can fit into narrow alcoves, and it can be mounted flush with a mirror or bathroom cabinetry. so it can practically disappear if you like. The transformer goes in the outlet box.