The Halo surface LED downlight (SLD) incorporates WaveStream™ technology to create an ultra-low profile surface mounting luminaire with the performance and look of a traditional downlight. SLD series is designed for installation in standard and fire-rated 3-1/2 in and 4 in square, octagon or round junction boxes. SLD series may also retrofit in 4 in, 5 in or 6 in IC and non-IC recessed housings. Suitable for residential or commercial installations. Ideal for closets, storage areas, attics and basements. Compliant with NFPA® 70, NEC® section 410.16 (A)(3) and 410.16 (C)(5).