1.       Portable and compact
2.       Power saving
3.       Built-in loudspeaker and LCD display
4.       Low ultrasound power
5.       Easy to carry and operate
6.       Blue backlight
7.       Probe: anti-shock and anti-falling down
8.       Rechargeable battery
9.       Waterproof probe
10.   High sensitivity

Suitable fetus	After 12 weeks
Ultrasonic frequency	3.0MHz continuous wave ±3%
Ultrasonic intensity	<2.5mW/cm2
Power supply	AC 220V 50Hz   DC 9.6V (4*2.4V) battery built-in nickel-hydrogen rechargeable battery
Machine dimension (mm)	130*95*35
Working temperature (℃)	5~40
Working humidity	0~85%
Net weight (Kg)	0.25
FHR range (bpm)	60~210
LCD display dimension (mm)	47*27