* Adopting with solid and durable ,anti-shock and anti-falling down probe.
* Ultrasound dosage is under 50% of the safe standard.
* Huge capacity battery,work more than 12 hours after full charge
* Single key control.Automatic battery recharge and protection.Can acquire fetal heart rate of fetus 9 weeks up.
* According to difference of pregnant week,users can select 2.2MHz or 3.3MHz probe to get more clear fetal heart beat sound
* Probe:Solid and durable,anti-shock and anti-falling down
* Ultrasound frequency:3.3MHz or 2.2MHz
* Ultrasound intensity:<2.5mW/cm2
* Display:LED,display real-time FHR
* Power:AC 220v 50Hz,DC18V.(On request)
* Rechargeable battery:1100mAh(can work more than 12 hours continuously)
* Weight:Main body:1.12Kg,charger:0.64kg