12.1" TFT color screen, folding 90°, Meet the needs of different perspectives. Advanced digital signal processing technology (DSP), the parameter display result ismore accurate and reliable. Multi-crystals, wide beam form, high sensitivity ultrasound transducer,strong anti-in-terference capability ,low ultrasound power, safer to the fetal. With a variety of professional display interface, using the shuttle knob function keyconvenient and quick operation.