... with a tablet in system of Windows 7Specification:-Probes for choice: C3 (R60): 3.5 MHz convex array; L7 (L40 ... ;-Imaging mode: B, B/B, B/M; -Image invert: horizontally invertible;-Time Gain Compensation (TGC): adjustable;-Contrast: 25 levels (0-100, step=4 ... area; M mode: heart rate, time, distance, velocity; Obstetrics: BPD, FL, CRL, HC, AC, gestation age, fetal weight; USB B-type ultrasonic scanner ...