Feature:

- Easy to use
- Accurate FHR detection and LCD display with the backlight on or off
- Built-in speaker for listening to the heartbeat without headphones
- Headphone jack for listening to the heartbeat or attaching to the computer with the cable (optional) for recording the heartbeat
- 2 AA size batteries
- Low battery consumption and Auto OFF feature
- Battery icon indicates how much battery life is left
- Fetal Doppler Displays Three Modes:
Mode 1: This mode displays fetal heart icon when fetal heart beat is detected and also displays the real-time heart rate numerically.
Mode 2: This mode displays the fetal heart icon when the fetal heart beat is detected and averages the fetal heart rate for a more stable reading.
Mode 3: This mode can calculate an average fetal heart rate over a specific period of time by manually pushing a button to start and stop the time.

Probe features:

- 2MHz or 3MHz water resistant Doppler probe ensures a high-sensitivity probe that cannot be damaged by transmission gel
- Doppler Cord is rubber coated to protect it from the elements and coiled for plenty of stretch
- Doppler Probe easily detatches from the main unit for storage
- Earphone jack for listening or attaching fetal doppler to the computer with the included accessory for recording the heartbeat

Specification:

LCD Display Dimension:
- 39x27mm
- Speaker power: 1 W

Power Supply:
- Built-in rechargeable battery
- DC, Working voltage: 7.4V, Li-ion battery
- Continuous operating time: > 5 hours
- AC recharger

Ultrasound:
- Frequency: 2.0MHz continual wave
- Intensity: <2mW/cm2 of 2.0MHz
- P: <0.35MPa

FHR:
- Display: LCD display
- Measurement range: 30~240BPM of 2.0MHz
- Measurement accuracy: ±1% or ±1BPM

Dimension & Weight
- 330 x 230 x 70 mm
- 0.5kg