Features:Humanized ergonomic design and portable operating procedures 12.1" LED screen, high brightness, low power consumption, and long lifetime.Touch screen, more intuitive for human-machine interaction Sound, light and voice 3-level alarm .Touch screen lock function to prevent the misuse of patients Standby setting function to save power effectively and protect the patient privacyAlarm limit one key back setting function to realize the shortcutsSix kinds of display interfaces Standard interface, all leads display interface, trend coexistence interface, Large font interface, NIBP review interface, and respiratory oxygenation map interface.A large font interface is good for the long-distance tour.Meantime, the user can combine four sets of parameters optionally according to the clinical use requirement.