China Fetal Heart Doppler for Pregant Women with CE&FDA Approved -Baby Sound a

Instructions
Baby Sound A Pocket Fetal Doppler is a hand held equipment for detecting Fetal Heart Rate(FHR) which is specially designed for pregnant women to conduct daily detection of FHR by themselves. Pregnant women can operate by themselves to hear fetal heart sound and calculate FHR to realize the purpose of pre-monitoring and fetus caring.
Main Features
The probe and main units integrated together
Delicate and compact design, portable to use
Particular 2 Headphone Sockets design can let expectant mother and father hear the fetal heart sound together
High sensitive doppler probe
Low ultrasound output intensity, much lower than the relative government standard and with high safe quality
Low power consumption, two AAA size batteries can last more than 8 hours for continuous use (depend on battery type and volume)
Main performance
Anti-electroshock Type: Internally powered equipment
Anti-electroshock Degree: Type CF applied part
Power Consumption: < 1 W
Voltage:DC 3 V
Battery Type Recommended: TWO 1.5V(AAA size) alkaline battery
Suitable Using Range: Suitable for use after the 12th week of pregnancy
Probe:
Nominal Frequency: 2.0 MHz
Working Frequency: 2.0 MHz ± 10%
Ultrasound Output Power: P < 10 mW
Negative Peak Sound Pressure :P_ < 1 MPa
Working Mode: Continuous wave doppler
Physical Characteristic
Dimension: 110 mm(L) x 55 mm(W) x 16.8 mm(H) (the space between probe culmination and upper panel is 26 mm)
Weight: about 80 g (including batteries)