Vsign10 is a portable pulse oximeter for measuring oxygen saturation of arterial blood and pulse rate of the patient. It is useful for monitoring patients continuously during transportation and can also be used for individual readings. Vsign10 monitors the condition of a patient in an intensive care unit or resuscitation room. Furthermore, the front LCD screen displays the detected data. The overall potential advantages of the pulse oximeter are as follows: The monitoring may detect the first symptoms of hypoxia before it becomes dangerous. It might help protect a patient in a high-risk situation. It gives the patient a sense of security regarding their condition.