... frozen^Measurement:distance, circumference, area, volume, EF rate, heart rate^OB measurements: BPD,CS,CRL,FL,HC,AC,EDD,CA,FW ... &time,name,sex,age,doctor, hospital,annotation^Wide application:abdominal,OB/CYN, urology,cardiology,small,parts examination, etc.^Weight: 1.3KG ...