Unfortunately I let myself be blinded by the consistently positive recessions, most of which have determined not receive long-term rating. Until today, I would have let myself be carried away even to a four-five star recession, but is also with me "already" after two years of the LED back ... (only individual diodes, now the whole lamp) Now that two years already ne certain time, but with generously calculated 2h / day come into the promised sum of 25,000 h life only around 1,500 hours together ... (the actual burn time is likely to feel more at 1,000 h lie) may of course be an isolated case (hab even one) - but these failures were increasing even when other buyers ... I'll sometimes more geared for the next purchase at an official test because at Amazon stars ...