Super Bright LED Magnifier. 18 LED's with a built in 3X magnifier. Great for reading small text or providing a closer look when needed. Snap cover over magnifier to keep it clean when not using. Touch power switch with 3 different levels of brightness—30%, 50%, and 100%. Opens to 10" tall and folds to 2"x 5"x 2¾." Powered by a USB cord or four AAA batteries.