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: ¡Ü 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