... (TGC): adjustable;-Contrast: 25 levels (0-100, step=4);-Image and cine storage: 10G storage capacity;-Patient data: name, gender, age ... , image, cine;-Measurement and calculation: B mode: distance, circumstance, area; M mode: heart rate ... , CRL, HC, AC, gestation age, fetal weight; USB B-type ultrasonic scanner