|  |  |     SonoTrax Series Ultrasonic Pocket Doppler  provides care givers with the most cost effective solution to meet the  routine obstetric and vascular requirements.  •  Easy to use •  Compact design
 •  Interchangeable waterproof probe
 •  Built-in audio recorder
 •  Large backlight LCD display
 •  Accurate FHR detection with high-fidelity  sound
 effect
 •  Support  2MHz, 3MHz, 4MH2,  5MHz, 8MHz
 waterproof probes
 •  Auto, Average and Manual modes
 •  Automatic power-off to save power
 •  Interchangeable waterproof probes. LCD  display.
 •  alkaline battery.
 •  CE & US FDA  Approved
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