... only l.3KG, hand-held structure. 2. 6.4-inch TFT high-resolution liquid crystal display. A clear image stabilization. Effectively ease ... parameters1..Scanning mode: Electronic convex / linear array / Tiny convex.2.BB+BB+MM4B. Display mode: B, B + B, B + M, M, ... distance, perimeter, area, volume, heart rate, gestational age.8.Character display: Real-time clock, date, name, gender, age, gain, hospital ...