The bulb is small, I used it in a desk lamp when it is operating normally, there is no flicker observed, but the pellet heaters in the long part of the consumer dissipates Joule losses . The data sheet is consistent with indications of the box: E14, consumption 5.5 watts, 2700 Kelvin color temperature (warm color close to that of incandescent lamps and more distant from the sun at the zenith of 5800 K which it is a rather cold reference) and opening angle of 175 degrees. That said, this angle is low, this bulb does not fully replace incandescent equivalent, it is intended to be used in ceiling with conical shade ...