【fast And Accurate Measurement】pulse Oximeter Adopts Advanced Technology To Provideeliableesults. It Can Measure Spo2 And Pulseate, Giving Throughout Inspection Of Your Body.【easy To Use】just Put Your Finger Into Hole( Equipped With Glow And Infrared-ray Emission And Receipt Tube) After 5s, Theesults Of Oxygen Saturation Will Be Seen Clearly On The Lcd Screen. It Automatically Shuts Off When No Use In 5 Seconds To Preserve Battery Life.【auto 4 Directions Display, More Convenient】due To Bulit-in Gravity Sensor, Values Can Be Automatically Displayed In 4 Directions As Your Finger Moves. Much More Convenient For Daily Use. What’s More, You Can Adjust The Screen Brightness To Meet Your Needs.【compact And Portable】this Pulse Oximeter Comes With A Nylon Sheath For Outdoor Usage. Package Also Includes 2*aaa Batteries. Once You Get Our Product, You Can Use At Once!【suits For A Wide Range Of People】based On Advanced Chip, Oxygen Saturationmonitor Can Be Used Widely For Adults,child, Teenage, Pregnant Women To Monitor Our Health.