1.9.7 inch TFT color LCD 2.Comprehensive easy-to-use measurements and comments. 3. Various display modes Touch-screen 3D Optional ... , volume, EF rate, heart rateOB measurments : EDD, GA, FW ( with BPD, GS, CRL, FL, HC, AC )Probes selectable : convex, linear ... , micro-convex, transvaginal and endorectalMonitor : 10.4 TFT color LCDComment : date&time, name, sex, age, doctor, ...