Focusing: Electronic focusing + acoustic lens focusing. Transmission focus: single focus, double focus, 3-focus and 4- focus. Continuously dynamic focusing mode is used for front end reception. Software Package: Basic measurement package, obstetrics measurement package, andrology measurement package, gynecology measurement package, urology measurement package, vascular measurement package, small parts package, orthopedic measurement package, cardiac measurement package. Measurement and Calculations: B-mode basic measurements: distance, angle, perimeter and area (ellipse method, track method), volume histograms, cross section. M-mode basic measurements: heart rate, time, distance, speed. Doppler measurement: time, heart rate, speed, acceleration. Memory Function : Probe parameters memory Image memory Cine memory Measurement result memory Report memory