1.Tap on/off,one-click operation

2.Quick measurement,sensitive sensing,beeping prompts.

3.It turns off automatically five seconds after the finger is removed.

4.Silicone nail upholstery for testing blood oxygen comfort.

5.LCD large screen display and flear reading

6.Sats,pulse rate,pulse intensity all clear

7.Both positive and negative fingers can be measured.

8.Landscape and portrait screen arbitrary exchange.