... High Definition 96 or 128element tri-frequency probes Professional software package 256 images storage,USB Digital Portable Ultrasound Scanner (Model No ... Electronic convex array, linear array, transvaginal, microconvex probe.Frequency 2.0-10.0 MHzFrame Rate 60 frame per second ... under M Mode.Professional Software Package Obstetrics: GS, CRL, BPD, HC, AC, FL, HL, OFD AFI, Fetal Growth Curve, and ...