Image mode: b, 2b, 4b, m, b/m, cdfi, cde, ccd, pw, cw Advanced technology: 3d image supported One key image optimization: various of inner checking types/checking Types edition and creation/making superior image by pressing of doctor according to different checking types English guide system: real time notice of operation steps, helping doctor get familiar with the operation of device quickly. Personalize defining button: according to the usage of doctor, doctor can define the function of the button, make the operation more Individualized. Auto freezing protection of the probe: auto freeze the probe in the presetting time, lengthen the life of the probe. Offline analysis system: retreatment, recalculation, reanalysis of dynamic image which have been stored, make the re-diagnosis of patient come true. English report system: record the calculating parameters automatically, output english report directly; make the inspection steps much More efficient. Software calculation: built-in abdomen, cardiology, blood vessel, obstetrics, gynecology, urology, small organ, orthopedic surgery department calculation software, Vector graph Drawing make operation more conveniently. Deleting, moving, drafting any chosen measurement freely, both dynamic and static. Expansion port: video port, s-video port, rs-232 port, usb2.0 port, vga port, dicom3.0 port, footswitch Probe supported Convex probe, vaginal probe, linear probe, phrased array probe, micro convex probe. Box