Processing looks solid and there were no problems with the fit in my sockets. Long-term experience, I have not, so are not included in the evaluation. With more than 500 lm, which also felt get there, he's as bright as 50W Halogen. The opening angle is similar to my old halogen spots. The color of the light is a little "white" (but not cold or uncomfortable) and sher useful as halogen in all living rooms. So necessarily a buy recommendation (ok, the price could drop a little)!