This UL-listed 12Watt LED recessed light is designed for use in residential and Commercial. This dimmable LED 4" Retrofit Luminaire delivers up to 900 lumen with high quality 80+ CRI illumination while achieving over 70 lumen per watt. Includes E26/E27 screw base adapter and is UL Classified for installation in all compatible recessed housings. The special spring clips make it easy to installation in all compatible recessed housings or cans .Direct replacement for incandescent or compact fluorescent lamps traditionally used in 4" down light cans. Uses 80% less energy than a 100 watt incandescent lamp and extends the time between lamp replacements, saving on maintenance costs. Specification Size and Technological Data: Face mask-Outer diameter: approx 127mm/5inch -Inner diameter: approx 70mm/2.75inch Heat radiation fins:-Diameter: 102mm /4inch -Height: approx 77mm / 3inch Cutting hole size:-approximately 102mm /4inchSuggested use: Hotels / Conference Rooms / Factories / Offices / Commercial Complexes / Residential / Institutional Buildings / Schools, Colleges & Universities / Hospitals. Package includes: 1pc UL-listed 13 watts dimmable recessed downlight