... inch TFT color LCD 2.Comprehensive easy-to-use measurements and comments. 3. Various display modes Touch-screen 3D Optional ... 1024 framesImage conversion :up/down, left/right, black/whiteZoom: 10 stepsMeasurement : distance, circumference, area, volume, EF rate, heart ... FW ( with BPD, GS, CRL, FL, HC, AC )Probes selectable : convex, linear, micro-convex, transvaginal and endorectalMonitor : 10.4 TFT ...