Finger Pulse Oximeter
Products Details:
1.A Battery life indicator
2.In the absence of signals , the product would power-off automatically after 8 seconds
3.Small,light in weight, and convenient to carry
 Keys function description: In standby mode, start the key instrument into the working state, Touch this button under the working state can change the display mode.

Diagram of Operation Principle
Operation Environment:
        Temperature:5ºC ~40ºC
            Humidity:15%~80%
Atmosphericpressure:70kPa~106kPa
Transport, storage environment:
Temperature: -10ºC~55ºC
          Humidity:≤ 95%
Atmospheric pressure: 50kPa ~ 106kPa,non-corrosive gas and well-ventilated environment

Operation Instructions
1.Install a pair of AAA batteries into the battery compartment.
2.Plug a finger into a rubber hole of the Oximter.
3.Press button on the front panel to start.
4.Do not shake your finger or move your body when the  Oximeter  is working
5.Press the button if you want to change display direction
6.Read the relevant value from the display screen
7.The device will automatically power off in 8 seconds if there is no finger signal.