Features1. The ultrasound dosage is under 50% of the national ultrasonic power standard. 2. Light Weight, handset, portable3. Large LCD display with blue backlight4. 1 Built-in loudspeaker, more clearly & loudly5. Support 2MHz, 2.5MHz, 3MHz waterproof probe Accurate FHR detection with clear sound.6. Monitor 12 weeks above unborn baby's blood wall pulsate. SpecificationUltrasound probe: Solid and durable, anti-shock, anti-falling downUltrasound frequency: 2/2.5/3 MHz ± 3%Ultrasound intensity: <2.5Mw/cm2Power: AC 220V 50Hz, Built in 9.6V nickel-hydrogen rechargeable batteries)Weight: Main body 0.25kgTemperature: 5-40Humidity: 0-85% Model NO.: MT-1000B Productivity: 1000000000pcs/year Company: Shenzhen Mature Medical Equipment Co.,Ltd

