Meditech Pulse Oximeter Oxyo is a Color oximetry featiring 6 display modes and 4 levels of brightness control. The user can display SOP2 in two ways as per need. The power switches off automatically within 4 seconds of removing the finger. The OLED color monitor displays 6 different modes and 4 level brightness. The small size compact device offers user friendly operation with high accuracy and repetition. The device displays pulse histogram, 2 kinds Spo2 wave and low voltage alarm. The power automatically off after 4 seconds without signal. The oximeter comes with light weight 55g batteries and runs on AAA batteries with 30 hours running time.