GrowBright LED Lighted Dual Lens 30x-60x Jeweler's Loupe Pocket Microscope Compact and lightweight pocket-size magnifier Provides clear 30x & 60x magnification with LED illumination Features dual lenses for focus-free magnification change and traditional folding jeweler's-loupe design Sturdy carrying/storage included Measures: 2" long x 1-1/4" wide x 1-1/8" thick ; Operates on 3 x LR1130 batteries (included)