When our old tree went dark, I wasn't sure about the problem until my dad said the light probably needed replacing. Using an old lightbulb for reference, I was able to purchase one from Revain. The one we received, (pack of 2) 10w MR11 12v 10w 12v Precision Halogen Fiber Optic Reflector Bulb came with no cap over the bulb. However, it doesn't matter. It fit perfectly in the socket and the tree glowed beautifully. We noticed that the lighted ends of the fibers looked brighter and more colorful with the fresh lamp! The color change also seemed faster.
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