cheap fetal doppler from manufacturewith CE

Features:
Pocket home-use
fetal Doppler mainly applies to detect the fetal heartbeat ratefrom the twelfth
week for pregnant woman at home;
only 90g, the feature is designed according
to Ergonomics, integrating the probe and mai unit;
LCD can display the FHR,
and freeze current FHR data on LCD;
Built-in dry battery can work
intermittent more than 4 hours;
Alarm function when FHR is out of the normal
range or battery power is in shortage;
Collocated with earphone, and can hear
the FHR clear and loud.

Special Tips:
The main purpose
of Fetal home monitoring is to hear the fetal heartbeat, estimatethe frequency
of fetal heart beating in one minute, monitor whether the FHR(fetalheartbeat
rate) is within the normal range(normal FHR range:
120-160bpm);Advise pregnant woman to hear 5
to 10 minutes when hearing the FHR each time, and draw a form torecord the FHR
for inspection;This model is not expert medical
detector, only used to assist to hear the FHR and frequency offetal heart
during gestation. Please use according to doctor's advice and donot replace the
conventional pregnancy test, Any questions concerning pregnantwoman, please
consult the doctor.

Specifications:
Executive
Standard: EN61266: 1995
Ultrasonic frequency: 2.0MHz±10%
Ultrasonic
intensity: ≤10mW/cm2
Comprehensive Sensitivity: ≥90dB
FHR
range: 60--210bpm(±2bpm)
FHR alarm range: ≤100bpm or  ≥160bpm
Isptp:
≤0.1MPa
Battery: 9V dry battery (optional for 9VNi-MH rechargeablebatteries
and charger)
Maximum audio output intensity: ≤1W
Doppler frequency:
100--3000Hz
Static continuous working time: ≥4h
Working temperature:
10-40℃ 
Humidity: ≤80%
Atmospheric pressure: 86--106kPa

Packaging collocation:
Paper
carton packing
Single Unit     Dimension: 26cm x 24cm x12cm     Gross
Weight: 1.5kg
18 pcs/carton Dimension: 49cm x 26cm x33cm     Gross Weight:
8.5kg  (Vacuum plastic packaging)
Normative collocation: earphone, gel,
operation manual, approval certification, warrantycard