The Lighting EVER LED bulb is dimmable with 9.5 watts without problems. It corresponds to the luminosity of a 60 watt bulb forth conventional design. I ordered this for my pear large living room stand lamp with dimmer. That buzzing is not on the bulb, but the dimmer in the lamp that lets you adjust the brightness. The light is pleasant and really warm white, so that one has a pleasant atmosphere in the room. In contrast to a compact fluorescent lamp, which is filled with gas, it does not flicker. I am absolutely satisfied with the product and save the bargain power in no small degree a.