So far we have used only the reasonable G9 halogen replacement bulbs. Since these have but relatively quickly given up the ghost, there should be something better this time. The Osram have not convinced 100%. Although pears Hatlen slightly longer than the cheap NoName, but not long enough. The first casualties we had already after 2 months. FYI: The lamps are not included in the 24 continuous operation, special in normal home use, about 3-4 hours to a day.