The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...
UL will now test LED light engines for how well the adhere to specifications defined by the Zhaga consortium. It's official. You can go to Underwriter's Laboratories to get a Zhaga LED module ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results