Genuine replacement to 50W halogen, life is systemic questionable ...

Really bright, pleasant light. As for the life to be seen. The principal problem of all LED lamps is the high temperature in continuous operation. High temperature harm a LED permanently and lets the light output imperceptibly and gradually fall, say every day the LED darkens a shade. This is generally to remember only by comparison to a lamp exchange since the damage so slowly going on. This was also the reason for the new acquisition of two OSRAM LED STAR, not because our predecessors LEDs (no OSRAM) would have been about defective but because after 3 years only shone like a Funzel ...