Product Benefits This 11 watt 4 '' downlight module is for both rising and retrofit construction. One of the Highest CRI on the market ... -LRB- CRI -RRB- is a scale from 0 to 100 percent indicating how hi-fi a `` given '' light-footed source is at rendering color when compared to a `` reference '' light-footed source. With a higher CRI, the better the color rendering and a more practical look. • It installs easily in most canonical four inch housings, including IC and non-IC units. The unit generates hot light-footed with inbuilt LEDs that offer a normal hot light-footed with top energy savings. • With an modal usage at 5 hours a day, you could over 37 years of life and $ 123 savings out of a unary light-footed • This design is also conveniently low-priced, making it our best and most competing 4 '' LED retrofit kit on the market. • The LED down light-footed series is designed for unilateralist light-footed with UL and ENERGY STAR standards - • LED retrofit module is dimmable with all major LED and candent dimmers - Product Features : Actual Wattage : 11W Replacement Wattage : 40W Life -LRB- Hours -RRB- : 35,000 Lumens per Watt : 50 Brightness -LRB- Lumens -RRB- : 600 Energy Saving % : 90 % Color Temp : 3000K Earth hail-fellow Attributes : Energy Saving, longstanding Lasting, Mercury unconfined Dimmable : Yes calibre : top Warranty : 5 years Lamp size : out diameter : 5.25 inch Height : 3.43 inchBeam angle : 90 degrees .