La description

It's used for detecting the fetal heart rate(FHR) at hospital,clinic,family.
＊ Easy to use
＊ With/without LCD display
＊ Built-in speaker
＊ Blue Backlight
＊ Audio output
＊ Automatic switch-off
＊ Real-time and average
＊ Battery energy Indication
＊ Sound alarm function when FHR is out of the normal range
＊ Multi-colour of main
Specification:
＊ Ultrasonic Frequency: 2.5 MHz
＊ Dimension：**0(L)* *0(W)* **5(H)mm
＊ Weight : 0.5kg
＊ Continuous work time: 8 hours
Configuration: 3.6V rechargeable battery、Charger、Manual