Features<br /> Safe: Ultrasound dosage is under 50% of the standard.<br /> Durable: Huge capacity battery, work more than 12 hours after full charge.<br /> Convenience: Single key control. Automatic battery recharge and protection.<br /> Sensitivity: FHR of fetus 9 weeks up.<br /> Probe: According to difference of pregnant week, users can select 2.2MHz or 3.3MHz probe.<br /> <br /> Specification<br /> Probe: Solid and durable, anti-shock and anti-falling down.<br /> Ultrasound frequency:3.3MHz or 2.2MHz +3%<br /> Ultrasound intensity: <2.5mW/cm2<br /> Display: LED, display real-time FHR.<br /> Power: AC 220V 50Hz, DC18V.<br /> Rechargeable battery: 1100mAh(can work more than 12 hours continuously)<br /> Size: 240mm*160mm*115mm<br /> Weight: Main body 1.12kg, charger 0.64 kg<br /> <br /> Standard:<br /> <br /> ISO9001: 2000<br /> <br /> Reward:<br /> <br /> It has won many big bid from authority organization like MOH, UNFA etc.