Do home oxygen saturation clips have a shelf life?

There is no shelf life for home oxygenation clips. Home oxygen saturation clip is an instrument, not a reagent, but the medical device is a period of use requirements, component life and accuracy will decay over time, the need for regular testing, finger clip oximeter is the use of batteries, as long as the finger clip oximeter battery is charged, finger clip oximeter can be used all the time, there is no use of the life expectancy.