A multifuntion fetal doppler
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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 11BPM, 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.
Power supply:9V battery
Barometric pressure:86 ~ 106kPa
FHR detect rang: 60~ 210BPM
Speaker power: <=1.8W
Size:35 (T) W 115 (W) W 130 (L) mm
Weight:300g (include battery)