YK-90C: Prenatal Doppler Fetal Heart Rate Monitor

YK-90C: Prenatal Doppler Fetal Heart Rate Monitor
Feel the fetal heart rate at any time safety 0 radiation, all in one design beautifully designed, lightweight device gives expectant parents the amazing experience of hearing their child’s movements from inside the womb and helps to encourage bonding early on in a pregnancy.
Active noise reduction | fetal heart sound clear | adjustable volume.

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Specification:
Brand Name: YONKER
Model Number: YK-90C
Material: Plastic
Color: Blue Pink Purple Green
Display: FHR
Nominal sound working frequency: 2.5MHz
FHR Measurement Range 50-240bpm
Accuracy ±2bpm
Ultrasonic output power: < 40mW
Operating mode: continuous wave
Integrated sensitivity: At the place 200mm away from the surface of probe: >90dB
Voice Earphone
Display LCD
Power 2 x AAA alkaline battery
Service time of battery not less than 60 minutes
Size 2.23*1.37*4.60 in
Weight 64g (including battery).