Main features:
. A multifunction fetal Doppler
It has many utility functions, such as: fetal heart beat indicator, instantaneous FHR、averaged FHR、manual calculate FHR，brightness mode, auto shut off without signal within 1 minutes, battery indicator and Low battery shut off.
. An accurate fetal Doppler
The FHR accuracy is ±1BPM, above土2BPM.
The synchronization between fetal heart beat indicator and fetal heart beat sound is good. No detection miss.
No FHR reduce by one half, or double.
Advanced quick-track technology ensure the display time less than 3 seconds.
. Long battery life
Advanced design keeps power consumption low, allowing you to use continually up to 300 minutes, or stand by for 1 month.Better still, these batteries are widely available so you can get replacements almost anywhere.
Technical specification:
Power supply:9V battery
Display:45*25mm LCD
Barometric pressure:86 ~ 106kPa
Temperature:+5℃~+40℃
FHR detect rang: 60~ 210BPM
Speaker power: ≤1.8W
Size:35(T)× 115(W)× 130(L)mm
Weight:300g (include battery)
