1MONITOR BLOOD OXYGEN SATURATION: The fingertip pulse oximeter is designed to measure your blood oxygen saturation levels, which is a key indicator of your overall oxygen status. 2CONVENIENT AND PORTABLE: The oximeter has a compact and lightweight design that provides a convenient way to monitor your oxygen saturation and pulse rate anytime, anywhere. 3ADJUSTABLE SCREEN DISPLAY: The oximeter's adjustable color organic light emitting diode screen displays both test values and pulse graphs. The low battery voltage indicator provides realtime visual alerts. 4FAST MONITORING: The oximeter determines your SpO2 heart rate and heart strength in seconds and displays them accurately on the large digital organic light emitting diode display. 5ABS MATERIAL: The oximeter is made of ABS material, this oximeter is durable and reliable. It can withstand regular use and provide long lasting performance.