Like others; Don't expect all 5 bulbs to work. I got lucky, 4 out of 5 worked, the other was dead with no visible physical damage. I've used them in some seasonal decorations that used to use standard incandescent bulbs and they do their job well and the batteries last a lot longer. A couple of things to note is that the light output is closer to the "blue" part of the daylight spectrum and this wasn't an issue for my application but might be for others. It should also be noted that the light mainly comes from the top of the bulb, which required me to improvise a tinfoil reflector to properly light the decoration. These 2 issues are not the reason I downgraded the lamps as it is the nature of the unit. I downgraded as not all bulbs worked.
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