I found this item while purchasing Bi-focal safety glasses with magnifiers for work  They offer Tinted Bi-Focal, that I wear as sun glasses. Handy for those of us who need a little extra help.

You get 2 clip on LED lights, each with 2 white LED's. The batteries are the button type, available anywhere.

I used them on a recent car camping/ fishing trip. The worked well and for the price, $ 6.50 for 2 lights, I think there a good value. Camping or even as car/work/emergency light/ reading light, they would work well.

Replacement batteries from the site are about $ 12 dollars, so you might just as well buy a new set when the batteries die out

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