This fetal doppler has following features
1. DSP technology, more advanced and accurate
2. High-power output, loud and clear sound
3. Wide-beam, high sensitivity, soufflé filter.
4. Low ultrasonic acoustic output power, fully assured to monitor FHR
5. LCD large-screen display, blue backlight, display the real-time and average FHR.
6. Optional rechargeable battery or AA batteries.
7. Charge instruction, full battery indicator, lack of electricy indicator.
8. Optional 2 or 3 MHz probe, portable for easy transport
9. Automatically power-off, adjustable time of turning off, no background noise no monitoring
