(1) DSP technology, more advanced and accurate.
(2) High-power output, loud and clear sound
(3) Wide-beam, high sensitivity, souffle filter.
(4) FHR exceeding alarm
(5) Low ultrasonic acoustic output power, fully assured to monitor fetal heart rate.
(6) Large-screen display, blue backlight, display the instantaneous and average FHR.
(7) Optional rechargeable battery or AA batteries on the 5th.
(8) Charge instruction, full battery indicator, lack of electricy indicator.
(9) Automatically power-off, adjustable time of turning off, no background noise if no monitoring.
(10)Optional probes at different frequencies.