DSP technology, more advanced and accurate.
High-power output, loud and clear sound
sensitivity, souffle filter
Low ultrasonic acoustic output power, fully assured to monitor FHR.
LCD large-screen display, blue backlight, display the real-time and average FHR.
Optional rechargeable battery or AA batteries.
Charge instruction, full battery indicator, lack of electricity indicator.
Optional 2 or 3 MHz probe, portable for easy transport
Automatically power-off, adjustable time of turning off, no background noise if no monitoring.