... .ISO and CE certificate XK/21355 LCD B&W Laptop ultrasound scanner Standard configuration:Main unit12″high resolution monitorR60 3.5MHz ... , area, volume,pregnant weeks( BPD,GS,CRL,FL,AC,HC),Fetal weight,EDD and amniotic fluid etc. Heart rate and slope ... scope :≤80%23. Monitor:12.1 inch LCD Digital laptop ultrasound