The Halo surface mount LED downlight (SMD) is an low profile surface mounting luminaire with a modern look and high performance. SMD6 (6 in) is designed for installation in many 3-1/2 in and 4 in square, octagon or round junction boxes. Supply wire adapter with LED quick wiring connector included. The SMD6 may also retrofit in 5 in and 6 in aperture IC and non-IC recessed housings.