I bought two of these, installed them in a trailer and one of them broke down after a few minutes. I'm an electronics engineer by trade so I took it apart to see what happened. There are 4 LEDs in this block and all 4 have been exposed. Looking at the board I noticed that two LEDs are connected in parallel, then a resistor in series, then the other two LEDs are connected in parallel. Connecting LEDs in parallel without their own resistor for each one is a bad circuit you can find if you want. With this connection, an LED can consume all the current from its neighbor and then burn out. It may make sense to look elsewhere.
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