Brief Description

portable,high sensitivity,LCD display,three working models,rechargeable battery,alarm function,auto-shut off,audio-output.
 
Detailed Description

FEATURES:

Safe:                 Ultrasound dosage is under the safe standard
Sound quality:    Original 'Sanyo' loudspeaker,more louder and clearly.
Sensitivity:         FHR of fetus 9 weeks up.
Display:             30*24mm LCD displays real-time  FHR ; With backlight
                          Volume level display;   Power status display

Three models:    Instant, Ten times average & Manual FHR

Power:              Builtin recharge battery, constantly working more than 12 hours after full charge.  Low battery indication

Alarm function:   Available
Auto-shut off:     Available
Audio output:     Available
Convenience:      Portable, light measure, handset

SPECIFICATION:

Probe:         Solid and durable,anti-shock and anti-falling down (patent)
                   Water-proof          Changeable
Ultrasound  frequency:          3.0MHz,+/- 3 %
Ultrasound  intensity:             <2.5mW/sq.cm
Sensitivity:           FHR of fetus 9 weeks up.
Resolution:          1 bpm
Accuracy:           1 bpm
Power:                DC 7.2V,rechargeable battery
Working  condition:       Temperature  5-40 centigrade
                                     Humidity 0-85%
Size:            133mm*85mm*31mm
Weight:        0.12kg