... Specification:· Scanning mode: Convex,transvaginal,high-frequency linear· Display mode:B,B+B,B+M,M,4B·Detectable depth:≥190mm·Gray scale:256 levels ... frames·Imaging turning: Left/right,up/down,black/white·Image time rate: 2 times rate,10 segments depth display·Measurement: Distance ... HC,AC,EDD·Note function:Chinese&English version switch,date,time,name,sex,age,doctor,hospital,etc· Frame correlation:4 ...