Cofoe Fetal Doppler Heartbeat Detector Baby for heart beat monitor LCD backlight Pulse Meter No Radiation Stethoscope

SPECIFICATIONSworking time: 5 yearsscreen size: 44.5mm*23mmmaterial: medical grade materialsdisplay: LCDWorking Mode: Continuous wave DopplerWorking Frequency: 2.0MHz±10%Origin: China MainlandN.W: 250gModel Number: FD-270BFHR Measuring Range: 0~240BPM (BPM: beat per minute)Effective Radiating Area of Transducer: 208mm2±15%Certification: CEBrand Name: Cofoe About the difference between 2.0MHz and 3.0MHz fetal heart rate monitor Noise situation: Confirm whether the appropriate amount of couplant is used, then move the deep head to slowly find the position of the fetal heart, and confirm that there is no other interference source or signal interference near the instrument. ❀ 【Warm tips】 1.All model Battery not included, due to it can't be shipped, please note!2.please evenly coated with gel on the probe before use.(As for gel, not included in the package because of the shipment limited. but you can buy at your local market easily. Gel is Lubrication, isolation of air