The main advantage of this COB led is that it can be used directly on the wall power source, no needing a power reducer. This one I have bought to replace another one that lasted me only 3 months, despite of using a very good heat radiator and proper dissipation grease. Other 2 of them, are working very well. I guess it is a great lottery. In my opinion there are much things to do in order to create led circuits the lasts more.
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LED COB Chip 30W, 220V for Spotlight Floodlight Outdoor Lamp
The main advantage of this COB led is that it can be used directly on the wall power source, no needing a power reducer. This one I have bought to replace another one that lasted me only 3 months, despite of using a very good heat radiator and proper dissipation grease. Other 2 of them, are working very well. I guess it is a great lottery. In my opinion there are much things to do in order to create led circuits the lasts more.