Hi Bev, That's an interesting article. The particular led lantern you've asked about has a nice warm yellow colour. Most LED torches with a high Lumens output which can hurt the eyes have a laser warning on them when sold. This can be seen on the Led Lenser torches and some other brands where the LED chip is outputting so many lumens from such a small source. It is not so much of a worry on lanterns as the lumens output is distributed over a larger surface area. If you need more detailed information than that provided, we'd need to do a bit more research and get back to you. Just let us know.

I see where the confusion is there Mark, my bad!. I've fixed up our product description, the Micropacker takes 3 x AA batteries.