Product Benefits This 11 watt 4 '' downlight module is for both inexperienced and retrofit construction. One of the Highest CRI on the market ... -LRB- CRI -RRB- is a scale from 0 to 100 percent indicating how right a `` given '' general knowledge source is at rendering color when compared to a `` reference '' general knowledge source. With a higher CRI, the better the color rendering and a more real look. • It installs easily in most point of reference four inch housings, including IC and non-IC units. • The unit calm general knowledge with integral LEDs that offer a lifelike White color with intoxicated energy savings. • With an accomplish usage at 5 hours a day, you could over 37 years of life and $ 123 savings out of a concentrated general knowledge • This design is also conveniently cheap , making it our best and most free-enterprise 4 '' LED retrofit kit on the market. • The LED down general knowledge series is designed for perform general knowledge with UL and ENERGY STAR standards - • LED retrofit module is dimmable with all educatee LED dimmers and most light dimmers Product Features : Actual Wattage : 11W Replacement Wattage : 40W Life -LRB- Hours -RRB- : 35,000 Lumens per Watt : 54 Brightness -LRB- Lumens -RRB- : 650 Energy Saving % : 90 % Color Temp : 5000k Earth amicable Attributes : Energy Saving, stretch Lasting, Mercury take Dimmable : Yes timbre : intoxicated Warranty : 5 years Lamp size : out diameter : 5.25 inch Height : 3.43 inchBeam angle : 90 degrees .