4 in. Color Selectable New Construction or Remodel Canless Recessed Integrated LED Kit(2-Pack) with In-Wall Smart DimmerHalo HLB4 Round, Selectable Series Downlights are complete 4 in. ultra thin canless recessed lights designed for use in new construction, remodel and retrofit installation, without needing a housing or j box. Ultra slim design goes where LED can lights cant. Choose your color temperature directly on the fixture. With the flick of a switch, you can choose between 5 color temperatures ranging from warm (2700K) to daylight (5000K) prior to installing