Main features: * 10-inch SVGA monitor, flashing-free, protects your eyes *3.5MHZ convex probe for abdominal, OB/GYN, urology, cardiology examination etc. * Display Mode: B, B/B, B/M, M * Measurement: Distance, circumference, area, volume, fetal weight, fetal heart * 7 EDD tables: BPD, GS, CRL, FL, AD, HC, AC * 15 body marks * Gestation Age: 4th-43rd week * 4 stage focus for user selection