The main function：

1) Electronic convex array probe (80 array)

2) The probe frequency: convex array 2.0-9.9MHz

3) Imaging mode: B、 B/B、 B/M、 M、 4B

4) Image resolution:

Lateral resolution ≤2mm

Axial resolution  ≤1mm

5) Detection depth: 60-220mm

6) Focus mode: veritable aperture, acoustic lens focusing, four-section electronic focusing

7) Gray scale: 256 shades

8) Proportion zooming: 1: 1.0, 1: 1.2, 1: 1.5, 1: 2.0

9) Image processing: image preprocessing, frame correlation, Echo enhance, average mode, edge enhance, local zooming, freeze,

10) Display: Image black-white reverse, image up/down reverse, image left/right reverse

11) Measurement function: distance, perimeter, area, heart rate, slope and GS, BPD, CRL, HC, AC, FL, EDD calculating software package of gynecology and obstetrics, gestational age, embryo weight

12) Displayed information: date, week, real time, case numbers, character edition, and other prompting information

13) TGC : adjust 8 section

14) Posture symbol: 18 type of posture symbols with the position of probes

15）Cine loop board: 256 frames

16) Image store: 8 frames

17) The power: 220V±22V 50Hz±1Hz