Fetal Doppler LCD data display with backlight Support 2MHz,3MHz,4MHz,5MHz,8MHz probes Fetal Heart Rate Doppler series is designed to meet ... in hospital, clinic, home etc.Sonoline B Pocket Fetal Doppler is a hand-held obstetrical unit, which can be used in hospital ... display control unit etc.Sonoline B Pocket Fetal Doppler is a high performance model with (fetal heart rate) LCD digital display. It ...