Type: Blood Oxygen Test, Model Number: 2BDFPO,Display: 65K color OLED display, Parameters: SpO2, PR, PI, Pulse Bar, Mode:: 4 display modes, Brightness :: Adjustable 4 levels, Measuring range:: 0% to 100%, Accuracy::+-2 bpm or+-2% (select larger), Atmospheric pressure: 500hPa-1060hPa, Warranty: 1 year, Certificate: FDA/CE, Colors: Yellow, White, Dark Blue, Light Blue, Black, Pink