Pocket BF-500B Fetal Doppler Detector can detects the FHR, it is convenient to us at hospital, clinic, family
Wide blue backlight LCD displays the FHR memorable volume control, charging indication, warning of abnormal FHR and fetal heart beating indication
Built-in recharge able battery
Automatic switch-off function
Special charging indicator
Specification:
Working frequency: 2.0MHz+10%
Ultrasonic intensity: ≤ 10mW/cm2
Power: 9.6V Ni-MH rechargeable batteries
FHR range: 60-210bpm (+2bpm)
Temperature: 10º C-40º C
Net Weight/ Gross Weight: 300g/750g