This is a cordless LED binocular stereo microscope for students. It provides 20X & 40X magnification power coming with two pairs of optical glass widefield 10X and 20X eyepieces and two AA batteries. 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 Two Pairs of 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 & 40X Eyepiece: wide field - WF10X and WF20X Stage: white plate Interpupillary Distance: 55 - 75mm Working Distance: 70mm Illumination: 1W LED bulb Shipping Weight: 3 lbs Packing List : One Monocular Microscope with Track Stand One Widefield 10X Eyepiece One Widefield 20X Eyepiece One White/Black Stage Plate One Dust Cover Shipping Weight: 3 lbs