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3.0MHz Doppler Fetal Heart rate Monitor Home Pregnancy Baby Fetal Sound Heart Rate Detector LCD Display No Radiation

(21 customer reviews)
3.0Mhz With Probe No Radiation Doppler Fetal Baby Heart Rate Detector Monitor Medical Ultrasound Pregnancy Monitor Parameters of fetal doppler : Probe frequency:3.0 MHz plusmn10% Error range:plusmn 2bpm Rate display range:30-240bpm Validity period:5 years Size:130mm (L)*100mm(W) *36mm(H) weight:250g Battery:2*AA ( battery without )