... Imaging mode: B, B/B, B/M; -Image invert: horizontally invertible;-Time Gain Compensation (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 ... , gestation age, fetal weight; USB B-type ultrasonic scanner