Characteristics:
With compact and light design, easy to use, easy to carry.
High-resolution LED display for displaying the measured blood oxygen value and the pulse rate value, easy to read.
Low battery support. Powered by 2 AAA batteries (not included), convenient to use.
It will shutdown automatically in 5 seconds if there is no measurement.

How to use:
Step 1: Open the battery compartment cover, insert 2 AAA batteries in the battery compartment according to the positive and negative signs and close the battery compartment cover.
Step 2: Open the clip, insert the tested finger into the rubber hole, release the finger and press the button.
Step 3: Do not shake or move during use and wait for the result to appear. Read the data on the screen.

Specifications:
Display range for measuring blood oxygen saturation: 0% ~ 99%
Measuring range for blood oxygen saturation: 0% ~ 100%
Accuracy: If the measurement range for blood oxygen saturation is between 70% and 100%, the absolute error may be ± 2%. less than 70% are undefined
Resolution: 1%
Display range for pulse rate measurement: 20 bp ~ 250 bpm
Pulse rate measuring range: 20 bpm ~ 250 bpm
Accuracy: ± 2 bpm or ± 2%, whichever is greater
Resolution: 1 beats per minute
Display range for measuring the perfusion index: 0% ~ 20%
Perfusion index measurement range: 0% ~ 20%
Accuracy: If the measuring range of the perfusion index is 1% ~ 20%, the absolute error may be ± 1%; If the measuring range of the perfusion index is 0% ~ 0.9%, the absolute error may be ± 0.
Resolution: 0.1%
Weight: approx.50g
Dimensions: 57 mm x 31 mm x 32 mm

3 models available, sent at random (photo may be different from the model you received)