Easy to use, high-performance baby heartbeat monitor. New mothers can operate the fetal doppler by themselves to hear the fetal heart sound and calculate FHR to achieve the purpose of pre-monitoring and caring for the fetus. FHR calculation with DSP technologies as used in fetal heart measurement monitor, ensuring FHR accuracy and reliability.
Specifications of fetal doppler:
Probe frequency: 3.0MHz plusmn10% Error range: ±2bpm Rate display range: 30-240bpm Validity period: 5 years
Size: 130mm (L) * 100mm (W) * 36mm (H)
Weight: 250g Battery: 2 * AA (without batteries)