Sonotrax Basic A Doppler (w o Probe) Positioners Seats Standers 5 wide by 67 long Paper Towels 5 wide by 67 long padded center section provides patient comfort throughout the transfer process and diagnostic procedure * Wipe clean surface MRI safe * Hand grips are padded * Outside length: 68 Waterproof Grade: IP67 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