Home Foetus Baby Pregnancy Sound Heartbeat Detector 3.0MHZ Fetal Doppler Heart Rate Monitor Display LCD Without Radiation

Specifications:

Display: LCD screen 38mmx50mm

Measuring range: 50~210 BPM

Accuracy: ±2bpm

Resolution: 1bpm

Sound working frequency: 3.0MHz (2.0MHz, 2.5MHz optional)

Comprehensive sensitivity: at a distance of 200mm from the probe surface, the comprehensive sensitivity is not less than 90dB

Peak negative sound pressure: < 1MPa

Output beam sound intensity: < 20mW/cm²

The average derived sound intensity of spatial peak time: < 100mW/cm²

Ultrasonic output power: < 20mW

Speakers: The volume is adjustable

Headphone mouth: ∮3.5mm(not include headphone)

Power: 2*AA (alkaline) battery (not included in the package)

Warranty: 1 year

How To Use:

*Before using it, make sure you have 2 batteries.

*Press the button to turn on, and then adjust the volume.

*Lie on a pillow cushion and keep your legs straight and relaxed

*Attach the fetal probe to the abdomen to adjust the position of the fetus to find the best fetal heart direction

*After hearing the regular fetal heart sound, the FHR value will be displayed on the screen in real time

*if you can not use it well yet, please contact us for help in time.

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