The product is provided with a large TFT display screen, FHR waveform and a thermometer. The device can be operated easily. It displays FHR, FHR waveform, speaker volume, indicator of battery and indication of rhythm of fatal heart beat. The transducer provided is highly sensitive. Advanced algorithm of FHR is used by the product. The product runs with rechargeable battery or AA dry battery. The product features built-in speaker and headphone output. The weight of the product is 245g with batteries. It is available in a carry case of comfortable and high quality. The device offers optional measurement of temperature in Centigrade and Fahrenheit. It has the capability to connect with the personal computer.