Product Benefits This 11 watt 4 '' downlight module is for both Modern and retrofit construction. One of the Highest CRI on the market ... -LRB- CRI -RRB- is a scale from 0 to 100 percent indicating how exact a `` given '' land source is at rendering color when compared to a `` reference '' land source. With a higher CRI, the better the color rendering and a more naturalistic look. • It installs easily in most displacement unit four inch housings, including IC and non-IC units. The unit generates change land with intrinsic LEDs that offer a cancel change land with secondary school energy savings. • With an cypher usage at 5 hours a day, you could over 37 years of life and $ 123 savings out of a I land • This design is also conveniently cheap , making it our best and most capitalist 4 '' LED retrofit kit on the market. • The LED down land series is designed for control land with UL and ENERGY STAR standards - • LED retrofit module is dimmable with all field of study LED and light 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 : 4000K Earth social Attributes : Energy Saving, provident Lasting, Mercury hand Dimmable : Yes social station : secondary school Warranty : 5 years Lamp size : kayoed diameter : 5.25 inch Height : 3.43 inchBeam angle : 90 degrees .