I bought ten of these lamps, because I wanted to change my whole dim living room facility to save energy. Good service, the package arrived very quickly and well packed. Unfortunately, the lights have flickered strongly after switching. Flaring was stronger at low dimmer position, but also turned up the flickering was still there. The Note from the seller to my request that the dimmer might not have enough power, has rather unsettled me, after all, is the facility yes save energy. I have found a solution that might be interesting to other customers might that have a similar problem. Not optimal, but it works. I have one of the LED bulbs replaced the circuit with a conventional halogen lamp. Now flicker nothing more, and the dimming works well. It is no longer the perfect energy saving, but otherwise okay. The light of the lamps itself is good, I can barely make a difference to the traditional halogen lamp, if anything, seems to me the light to be a bit brighter. Dimming now works excellent. Unfortunately I can not say anything about the longevity of the lamps. If necessary, I add here again a comment.