Convex Ultrasound Scanner US2214-A Features: 1.Wider image focusing, information volume and finer image with higher resolution based on much more new and advanced technology. 2. The measurement of fetus parameter is especially added, 6 methods(GS, CRL, BPD, HC, AC, FL) are provided for the measure of fetus age and weight. 3. Dual-directional cine-loop to 256 frames, both auto-replay and cine loop-display 4. 16 image storage