Fetal doppler is designed to meet routine examination requirements for pregant women in hospitals and clinics or at home, it is a high performance model with FHR digital. The fetal doppler uses ultrasound technology to detect doppler sounds from the fetus as early as 16 weeks of pregnancy to the baby first moment of life.

Features:

Advanced digital signal processing(DSP) technical applied for real-time calculation of FHR

High sensitivity probe with 2.0 MHz in continuous wave

Accurate and reliable FHR detection with clear sound

Ergomomic design, portable and convenience

Building-in rechargeable Li-ion battery and battery capacity indicator

Date and time function

Long time continuous use up to 4 hours

Auto power off for energy savin

Low ultrasound power, safe to the fetus

Specification:

Safety	Class II, Type B
Display	2.4" TFT display
Power Supply	Built-in rechargeable battery DC, working voltage:3.6V,Li-ion battery continuous operating time:>4 hoursAC recharger speaker power: 1WAuto shut-off; no signal, no pressing key operation, it will power off automatically after 1 minute
Ultrasound transducer	Working frequency:2.0MHz working mode: continuous/plused doppler effective ultrasound send/incept area:490mm2 Ultrasound strength:<=5 W/cm 2 total sensitivity:>=90 dB, at the distance 200mm to the surface of the probe, the target frequency is 140bpm
FHR	Automatic FHR sound detection or speaking FHR Measurement range:50~210BPM of 2.0MHz Measurement accuracy: ± 1% or ± 1BPM
Working environment	Temperature: +5°C~+40 °C humidity:<85% atomphetic pressure:86kPa~106kPa
MOQ	1pc

Kindly notice:

China Air Post do not allow to delivery the goods with battery and liquid, so the price

does not including the price of them. Pls kindly understand!