IC Rated 💡Recessed lighting 4 inch is IC rated, which is permitted to be in contact with insulations in ceilings, meaning the junction box is thermally protected. It only requires as small as 2 inches ceiling spaces, fits various ceilings, and joists. It won't cause a fire in the roof or overhead joist space.most dimmers in the market. The lights apply widely in living room, bedrooms, balcony, basements, Kitchens, Hallways, bathrooms , offices and so on. 3CCT Selectable💡 This canless LED recessed light 4 incis multi-function. With a CCT switch, 3000K, 4000K and 5000K can be selectable. Don't nned to worry about which color temperature to buy. You can change the light freely. 1~100% dimming 💡LED recessed lighting 4 inch with 1-100% smooth dimming, is compatible with most dimmers in the market. The lights apply widely in living room, bedrooms, balcony, basements, Kitchens, Hallways, bathrooms , offices and so on