Features:
Pocket Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week;
LCD can display FHR accurately;
Built-in rechargeable battery can work continuously more than 5 hours;
Only 220g, can be carried conveniently with a gallus;
Alarm function when FHR is out of the normal range or battery power is in shortage;
Built-in speaker and collocated with earphone jack;
2.5MHz probe and easy to replace. 

Specifications: 
Executive Standard: EN61266: 1995
Ultrasonic frequency: 2.5MHz±10%
Ultrasonic intensity: ≤10mW/cm²
Comprehensive Sensitivity: ≥90dB
FHR range: 60-210bpm(±2bpm)
FHR alarm range: ≤100bpm or  ≥160bpm
Isptp: ≤0.1MPa
Battery: 9.6VNi-MH rechargeable batteries
Adapter input voltage: AC 110V±10% 60Hz or 220V±10% 50Hz
Rechargeable battery input voltage(no load): DC 12V±1V
Maximum audio output intensity: ≤1W
Doppler frequency: 100--3000Hz
Static continuous working time: ≥5h
Working temperature: 10-40℃
Humidity: ≤80%
Atmospheric pressure: 86--106kPa

Packaging collocation:
Single Unit        Dimension: 24cm x 23cm x 12cm           Gross Weight: 1.5kg

20 pcs/carton    Dimension: 44cm x 36cm x 42cm           Gross Weight: 15kg

Normative collocation: charger, gallus, operation manual, approval certification, warranty card