Sonotrax Basic A Doppler (w/o Probe)
$169.61
Ultrasonic Pocket Doppler * Easy- to- use * Compact
design
* Interchangeable waterproof probe (sold separately) * Built-in audio
recorder * Large backlight LCD display * Accurate FHR detection with
high-fidelity sound effect * Support waterproof probes for both
obstetrical and vascular usage * Auto, Average and Manual working modes *
Various power supply solutions * Automatic power-off to save power * 9V
alkaline battery
