-Display size: 15 inches LED screen
-Working frequency: 2.0MHz~10MHz                 
-Display mode: B, B+B, B+M, M, 4B
-Scanning range: Convex array 60°~150°          
-Amplification factor:1.0, 1.2, 1.5,2.0
-Gain control: 8 segments TGC and overall gain can be adjusted respectively
-Image processing: 8 γ corrections, frame correlation, point correlation, line correlation, 
  digital filtering, digital edge enhancement and pseudo color processing, etc
-Image gray-scale: 256 levels 
-Scanning line number: 512 lines/frame
-Frame rate: 30 frames/second
-Digital scanning conversion: 512×512×8 bits
-Memory: USB flash disk large volume image storage
-Conventional measurements: distance, perimeter, area, volume
-Obstetric measurement: gestational weeks (BPD, GS, CRL, FL, HL, OFD, TTD, AC), 
  expected date of confinement and fetus weight, etc.
-Report function: auto make report
-Built-in battery capacity: can work more than 5 hours
-Output interface: USB port, video.
-Overall size: 362mm×340mm×60mm 
-Total weight: 4Kg(with battery)