... 4. High Quality SF660 Portable Full Digital Ultrasonic Daignostic System for vet or human, Horse Head ... MeasurementDistance, Angle, Area, Volume, Ratio and stenosis ratioProfessional MeasuremenGynecology, Obstetrics, Urinary, Small Organs, CardiologyScanning ... storageBuilt-in Patient Information Management SystemMeasurementDistance, circumference, area, volume, gestational age, expected date,etc ...