AmScope 1.3 MP USB Still & Live Video Microscope Imager Digital Camera + Calibration Kit 1.3MP USB digital camera captures still images, streams live videos and is compatible with Windows XP/Vista/7/8/10, Mac OS X, and Linux User-friendly software for Windows offers editing/processing and advanced features including Stitching, EDF and measurement functions Support Native C/C++, Directshow, Twain Fits three mounting sizes: 23mm, 30mm and 30.5mm (two mounting adapters included) Calibration kit included for precise measurement is included