fetal doppler BF-500A
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Model BF-500A is a pocket Fetal Heart Rate Detector.
With 2.0MHz probe it can be used to detect the FHR very easily and conveniently at home, clinic and hospital. ,
Blue backlight LCD can display FHR, fetal heart signal, battery indicator and volume.
Dial-up function can directly transmit the FHR signal through a telephone line.
work with rechargeable battery.
Please find the following specifications:
Ultrasonic frequency: 2.0MHz
Power: 9.6V recharge battery
work time:>=4 hours