1. 7" color big LCD screen, clearly display the figure and curve.
2. Automatic fetal movement
3. Code-operation, easy and convenient
4.  Arousing function (optional), wake up the fetus for detecting.
5. Multi-wafer, wide wave beam, high sensitivity.
6. Automatic storage of 10 hours for playback or print out
7. Built-in speaker, loud and clear sound.
8. Three-in-one probe, reduce line winding.
9. Multi-alarming functions include tachycardia, bradycardia, by the setting monitoring time  and paper-lack.
10. Built-in rechargeable battery, AC or DC power.
11. Convenient to hung on the wall or bed
12. Printing time can be set and automatically stop by the time, thermal printer, print clearly and truly
13. Advanced DSP technology, detect precisely and display both figure and curve.
Remark: 3 parameters and can be upgraded to 6 parameters.