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Size: Gross weight: 6kg Size: 37.8cm*37.2cm*19cm Whole set includes: Charger, manual Specification: Function: It can detect the fetal heart, LCD display fhr, have print function, print out the curve, it's used for detecting the fetal heart at hospital, clinic, family. Technology: Ultrasonic frequency: 1.0MHz/2.0MHz/5.0MHz/8.0MHz a10%Power: 14.4vrechargeable batteryUltrasonic intensity: 10mw/coWork time: 4 hours
