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
