AmScope 20x-40x Binocular Stereo Dissecting Microscope with USB Digital Camera 20X-40X stereo widefield magnification settings Backward binocular head with precise optical glass lenses Sturdy all metal framework arm stand with built-in incident (top) and transmitted (bottom) lights 640x480 USB 2.0 digital camera for photos and videos on Windows XP/Vista/7/8/10 User-friendly software (Windows only) offers processing and advanced features including Stitching, EDF, Video Recording and Measurement functions