Sell fetal doppler BF-510S

fetal doppler BF-510S You May Also Be Interested In: pocket fetal doppler
This BF-510S Pocket Fetal Doppler is our new model.
For this model there is LCD display to show FHR.
It has an inside probe with 2.0MHz probe which can be used to detect Fetal Heart Rate(FHR) very easily and conveniently at home, clinic and hospital.
It comes up with a headphone to hear FHR very clearly.
It can work with dry battery or rechargeable battery.
Please find the following specifications:
Ultrasonic frequency: 2.0MHz
Power: 9.0V dry battery or 9.0V recharge battery
Ultrasonic intensity: <=10mW/cm2
work time:>=4 hours