Item Type: Pulse Oximeter
Application: Finger
Material:ABS
Display: LED Display
Power: 2*AAA 1.5V battery (NOT included) 
Commodity Quality Certification: CE,FDA
Color: Black
Display direction: 2

Features of Finger Pulse Oximeter:

ACCURATE AND RELIABLE--Accurately determine your SpO2,pulse rate and pulse strength in 20 seconds and display it conveniently on a large digital OLED display
SPORT/HEALTH--For sports enthusiasts like mountain climbers, skiers, bikers or anyone interested in measuring their SpO2 and pulse rate. SpO2 and Pulse Rate now faces instead of away from the user for easy read

Notice:

1.Avoid exposing on direct sunlight
2.Avoid shaking your figure during the measurement
3.The instrument does not apply to babies and newborns
4.The measured finger to be clean, nails can not apply nail polish and other cosmetics
5.Fingers inserted into the rubber channel, must fingernail up, and the display is the same direction.