Description: The fingertip oximeter can monitor pulse oxygen saturation, pulse rate through patient's finger. This device is applicable to hospital, home, community medical center, alpine area and it also can be used before and after sports and so on Function: SpO2 and pulse rate measurement, bar-graph of pulse display, automatic power-off function. Feature: Easy to use with one-key operation. High accuracy and repetition Two AAA batteries are required for operation with low power consumption It is light with gross weight of 60g, batteries included, small size and easy to use