With a unique canless design, the OneUp Square 4 inch LED Recessed Downlight by Lithonia Lighting is an all-in-one design that is easy to install. With an integrated, energy-efficient light source that is dimmable, this downlight brings an even layer of illumination to spaces and also works in damp locations. Complementing a variety of décor styles with its clean design, this one-piece recessed downlight has a captive junction box that provides easy access to pre-installed quick connectors for a complete and straightforward installation.