*12.1" color tft display. * 60 seconds ecg waveform review * adjustable 3 level audio and visual alarm * ac power and internal rechargeable battery * anti-high-frequency electrosurgical equipment * optional with built-in 3 channels thermal recorder. * applicable for adult, pediatric and neonatal patient * 7-channel ecg waveforms displayed simultaneously * maximum 240-hour graphic and tabular trends of all parameters * 13 kinds of arrhythmia analysis, hrv and s-t segment analysis * automatic real-time analysis of the fm function for the fetal heart rate; * palace pressure probe has awakened new functional fetal, sleepguardianship process can be controlled through a wireless remote controller at any time to awaken the sleeping fetus. * networked with central monitoring system by wired or wireless lan