Listing ID #1621054
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Contact SupplierFeatures:
* LCD can display FHR, synchronous FHR signal, battery indicator, volume of sound and alarm indicator accurately;
* Built-in rechargeable battery can work continuously more than 5 hours;
* Blue backlight LCD display for use conveniently at night;
* Automatic power off ( one minute), self-detect function, and alarm function when FHR is out of the normal range or battery power is in shortage;
* Only 270g, can be carried conveniently with a gallus;
* Built-in speaker and collocated with earphone jack;
* 2.0MHz probe.