The Cree 6 in TW Series 65W Equivalent Dimmable Retrofit LED Downlight is part of the Lightbulb test program at Consumer Reports. In our lab tests, Lightbulb models like the 6 in TW Series 65W Equivalent Dimmable Retrofit LED Downlight are rated on multiple criteria, such as those listed below.

Claimed life: Claimed life is how many years the manufacturer says the bulb will last based on 3 hours of use per day.

Brightness: Brightness indicates the brightness (lumens) of each bulb after 3,000 hours of life testing, as compared with the brightness of a comparable incandescent.

Efficiency: Efficiency is the comparison of the amount of light (lumens) produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb.