INSTALLATION: Canless recessed lighting design eliminates the need for housing or junction box, making this 4 inch LED recessed light perfect for new construction, remodel, and retrofit projects with easy setup. VERSATILITY: Select from 5 color temperatures ranging from 2700K soft white to 5000K daylight, plus adjustable lumens at 600 or 900 settings to customize your indoor or outdoor recessed ceiling lights perfectly. DIMMABLE + DIM-TO-WARM: Add any compatible dimmer for flicker-free dimming to 5%; Select the Dim-to-Warm setting and your lighting will transition from bright white (3000K) to a warm, candlelight (1800K) as it dims USE INDOORS AND OUTDOORS: The HALO RL is wet location-listed for areas like showers and protected outdoor ceilings. ENERGY STAR listed, IC-rated for contact with insulation, and Air-Tite certified to prevent air flow between occupied spaces and unconditioned areas ESTABLISHED, REPUTABLE BRAND: HALO products are designed and tested in the USA and have been a contractor-preferred brand for nearly 70 years. We offer superior quality, reliability, and US-based customer service. Backed by a 5-year limited warranty