This is a cordless LED binocular stereo microscope for students. 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: 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 Lowest Price for the Same Guaranteed or the Difference Back! Satisfaction Guaranteed or Your Money Back Specifications: Head: upright binocular Magnification: 20X Eyepiece: wide field - WF10X Stage: white plate Interpupillary Distance: 55 - 75mm Working Distance: 70mm Illumination: 1W LED bulb Shipping Weight: 3 lbs Packing List : One Binocular Stereo Microscope with Track Stand One Widefield 10X Eyepiece One White/Black Stage Plate One Dust Cover Shipping Weight: 3 lbs