1. The fetal heart rate monitor can monitor the changes of the babys fetal heart rate, effectively prevent fetal hypoxia, and protect the babys smooth delivery.
2. The fetal heart monitoring probe has high sensitivity, no radiation, low ultrasonic power, safe and accurate, and can help you measure the fetal heart rate accurately in real time.
3. Insert a 3.5mm 32-channel or 2-channel phone plug into the monitor phone jack. Fetal heart sounds can be heard more clearly. And the device has a volume adjustment function that can be adjusted as needed.
4. After hearing recognizable, rhythmic fetal heart sounds, the probe needs to be held still for at least 5 seconds so that the heart rate monitor can measure and display the fetal heart rate correctly.
5. Equipped with a large LCD screen, allowing you to read more clearly and conveniently.

parameter:
1. Display: 40mm x 25mm LCD
2. Measuring range: 65-210bpm
3. Accuracy: +/-2bpm
4. Resolution: 1bpm
5. Operating Modes: Transient, Average and Manual
6. Auto power off: 60+/-10 seconds
7. Power supply: DC 3.0V
8. Battery Type: 2 x AA batteries (not included)
9. Operating frequency: 2.5MHz