... . 2. 6.4-inch TFT high-resolution liquid crystal display. A clear image stabilization. Effectively ease the visual fatigue. ... Electronic convex / linear array / Tiny convex.2.BB+BB+MM4B. Display mode: B, B + B, B + M, M, 4B.3.220mm..Scanning depth: 220mm. Multi ... distance, perimeter, area, volume, heart rate, gestational age.8.Character display: Real-time clock, date, name, gender, age, gain, hospital ...