fetal doppler BF-500C
Model BF-500C 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. ,
Without display and just can hear fetal heart beat.
Can work with rechargeable battery.
Please find the following specifications:
Ultrasonic frequency: 2.0MHz
Power: 9.6V recharge battery
work time:>=4 hours