Light measure, handset,portable.
LCD display FHR with backlight
Built-in loudspeaker & clearly
Adopt with rechargeablebattery, constantly working over 6 hours when fully charged
2.5MHz monitor 12 weeks above unbornbaby’s blood wall pulsate
Ultrasound probe: solid and durable,anti-shock, anti-falling down
Ultrasound frequency: 2/2.5/3 MHz ±3%
Ultrasound intensity: ﹤2.5Mw/cm2
Power: AC 220V 50Hz,Built in 9.6Vnickel-hydrogen rechargeable batteries)
Weight:Main body 0.25kg
Temperature:5℃-40℃
Humidity: 0-85%