Fetal Doppler LCD data display with backlight Support 2MHz,3MHz,4MHz,5MHz,8MHz probes Fetal Heart Rate Doppler series is designed to meet routine ... for pregnant women in hospital, clinic, home etc.Pocket Fetal Doppler is a hand-held obstetrical unit, which can be used ... -check by pregnant woman.The device uses color LCD of high resolution to display the fetal heartbeat waveform, and figure out ...