... correlation Edge enhancement, ScrollMeasurement: Circumference, Area, Volume, Heart ratio, Velocity, OB and Cardiac Focus: Number and ... , Edge enhancement, Dynamic range, center line, scan angle PunctureVoltage: AC85V-265VAdvantages:Light weight of 1 kg, ... software.Software:General measurement: distance, circumference, volume, angle, heart rate and etc.Obstetrics measurement software: BPD, GS, ...