【6 display models, 5 levels adjustable brightness】You can easily read the values in 4 directions, 6 display models with pressing the button of this blood oxygen saturation sats monitor oxymetre; With 5 levels adjustable brightness function, you can read clearly no matter in the daytime or night.【Safe and reliable】This fingertip pulse oximeter is clinically accurate, certified medical device, UK and EC Medical Safety Requirements, CE certificated & FDA approval. With soft silicon pad, high quality material, this SpO2 monitor provides you a comfortable and safe