1)5'' color TFT LCD, multi-language interface (simplified Chinese, English, Russian, Kazakh, Slovak, Czech, Spanish, etc.). 2)Fanless design, quiet, energy-saving and clean, which reduces the possibility of cross-infection. 3)With standard interface, OxyCRG, big character interface and full-lead interface, convenient to observe. 4)Waveform, parameter color and location can be set optionally. 5)All operations can be completed by the buttons and touch screen.