Ultrasound Scanner Features: Full digital beam-forming technology 10 inch VGA monitor. Four probes acceptable: convex, linear, transvaginal and endorectal. Measurement: distance, circumference, area, volume, heart rate, GA, EDD More than 40 body marks. Folded soft push keyboard, trackball provides immediate, convenient and flexible operation. PAL-D video output offers connection to external video image printer. USB 2.0 for real-time picture uploading to PC. Display date, time, name, sex, age, doctor and hospital name annotation. Folded soft push keyboard, trackball provides immediate, convenient and flexible operation Standard Accessories: Convex Probe, Micro-convex probe , Transvaginal probe, Endo-Rectal probe