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Fetal Dopplex  I + (With Fixed 2 mHz Transducer)
Fetal pulse detector with LCD display of fetal heart rate fixed 2 MHz transducer and built-in louds..
Fetal Dopplex II (Choose Transducer)
Included with one transducer either 2 MHz or 3 MHz for fetal heart detection * Advanced pocket Dopp..
LifeDop Doppler w/5MHz  Probe
Superior sound quality * Extended battery life * Enhanced probe sensitivity * One-year full warranty..