I wanted to see what you're talking about so Googled it:
http://www.mightybright.com/Magnifie...-and-Magnifier and
http://www.amazon.com/Mighty-Bright-.../dp/B001D49350
I see that it also runs on 3 - D batteries. So this would be good to take on a retreat where there might not be an outlet nearby! Thanks for the review on this lamp.