Excellent performance with 3 working mode: real-time FHR display mode,averaged FHR display and manual mode and easy to operate & switch.
Premium quality: contains ultrasonic signal transmitter and receiver, analog signal processing unit, FHR calculating unit.
Large LCD display with backlight function, clear to see.
Have built-in speaker with volume control and headphone socket for audio output, connecting earphones or recorder.
Ultrasound probe, highly sensitive, easy to find fetal heart.
Clear speakers. Low power design, clearer listening, adjustable volume.
Intelligent noise reduction function. Let the treasure mother listen to rest assured.
Automatic shut-down. Automatic shutdown in one minute without signal, economical and energy saving.
Without radiation, does no hurt to fetal.
Pocket hand-held design, portable, in beautiful appearance.
PowerBy: 2 * 1.5V Battery (Not Included)
FHR Measuring Range: 50-240BPM (Beat Per Minute)
Auto Shut-off: After 1 minute without signal
Working Frequency: 2.0MHZ +/-10%
Ultrasonic Output Intensity: 1sata〈5mW/c㎡
Effective Radiating Area of Transducer:〈208mm
Working Temperature: 5℃ to 40℃
Output Power: P〈20mW
Screen type: LED display
Main Body Size: 14 * 8.5 * 4cm
Package Size: 18.3*16.5*5.7CM
Package Weight: 300g
Note: Optional accessories: earphone, coupling agent (expense is not included)
1 * Baby Heart Detector
1 * User Manual (English)