1.Features：
a.Pocket Fetal Doppler mainly applies to detect fetal heart rate for fetus of more than twelve weeks;
b.BF-500D+ with a blue backlight LCD can display FHR, synchronous FHR signal, battery indicator, volume of sound and alarm indicator accurately; designed for darkness use; with automatic dormancy, self-detecting, and alarm function to make caution for abnormal FHR and low battery capacity;
c.Only 270 g, easy to be carried, built-in speaker;
d.2.0 MHz bigger handgrip probe, easy to hold and replaced, ( Waterproof probe for option );
e.9V dry battery and rechargeable Ni-MH batteries can be alternatively applied.
2.Specifications：
a.Ultrasonic frequency: 2.0 MHz ± 10% ( C.W.)
b.FHR display range: 60 -210 BPM (± 2 BPM )
c.FHR alarm range: ＜100 BPM or ＞160 BPM
d.Battery: 9V dry battery
e.Maximum audio output intensity: ≤ 1.0 W
f.Doppler frequency: 100-3000 Hz
g.Static continuous working time: BF-500D ≥ 8 H; BF-500D+ ≥ 5 H
h.Automatic dormancy time limit: 1 minute
3.Normative collocation: gallus, (Optional:9V Ni-MH rechargeable battery and charger;60g Gel;portable soft handbag)
4.Packing list:20PCS/CTN G.W. :18KG Size:44*36*42 CM
