Attention, this is NOT a black light bulb. It will NOT make any posters or black light colors glow. It's just a VERY dark purple light. Places little or no light. General view from Mrs. I would return it but 8 euros is not worth the time. I attacked 2 photos. The light one with GLOWING posters in the background is the real "black light" and the other is that lightbulb. In this shot it looks like it's blocking the light, but that's just the effect it's having on the camera when you notice that the posters on the wall aren't glowing at all.
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