Meditech Sonotech pro

Features: 

Standalone 2MHz Water Resistant (IPX4) Probe

FHR Display: Bar Graph - Histogram - Waveform

Working Diagnostics: Realtime, Average, & Manual

Out of Range Fetal Heart Rate Alarm Display

Backlit LCD Battery Status Indicator Display

+8 Hrs Operation on 2 AA Alkaline Batteries

Built In Speaker (=1.8W) with Volume Control

Audio Out Provisions: Headphones, PC Recording

Auto Power Off on No Signal (8 seconds) Function

FHR Measuring Diagnostic Range: 50~240BPM

Diagnostics Accuracy: } +/-2 Beats per Minute

Working Ultrasonic Frequency: 2.0MHz} 10%

Ultrasonic Opt Intensity: Isata < 5 mW/cm2

Ultrasonic Working Mode: Cont Wave Doppler