Portable Stereo Microscope 20X This is a brand new cordless LED binocular stereo microscope. It provides 20X magnification power, coming with a pair of optical glass widefield 10X eyepieces and two AA batteries. This microscope is specially designed for both indoor and outdoor applications. It is portable and can be taken out to field sites. It is an ideal instrument for viewing collections of coins, stamps, meteorites, tektites, minerals, gems, fossils, or insects. It is a perfect tool for inspecting jewelry, watches, circuit board, biological specimens, dissection, and etc.Features include... Fully Coated Optical System Sharp 3-D Image with High Resolution Built-in Upper Illumination System Superior Instrument Easy to Operate One Pair of Widefield Eyepieces Included Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Factory Warranty Specifications: Head: upright binocular Magnification: 20X Eyepiece: wide field - WF10X Stage: white plate Interpupillary Distance: 55 - 75mm Working Distance: 70mm Illumination: 1W LED bulb