BS-1080FCB Free Calibration Smart Measuring Microscope has High Resolution, 1:8.3 Loj Zoom Ratio, Tsis Xav Computer, Tsis Xav Tau Calibration, Smart Measure Function, Ruler Line, Angle Gauge, High Measure Accuracy, 1/2 inch SONY CMOS, Full HDMI 1080P 60FPS, Txuag Duab rau U Disk nrog BMP lossis JPG.Real Time Display Optical Magnification thiab Tag Nrho Magnification.