Carson MicroMax 60x-100x LED Lighted Zoom Pocket Microscope For Field Inspection of Science, Fibers, Plants, Cells, Skin, Currency, Wildlife and More (MM-100) LED Lighted Zoom Pocket Microscope | Powerful Magnification: 60x-100x Power Extremely Compact and Lightweight Field Microscope | Weight: 1.28 ounces Adjustable Focusing Knob with a Comfortable Rubber Eyepiece Perfect for Hobbyists and Examining Close Details of Cells, Plants, Currency, Skin, Fibers, Nature, Wildlife and More Uses 2 AAA Batteries (Not Included) | Backed by Carson's One Year Limited Warranty