Pulse oximeter
(Library of Things Kit (contains multiple materials of different types))

This device is for sports and aviation use only and not intended for medical use.

Easy to Use – Simply place your finger inside the chamber of the machine, press the operating button, and then wait. Within seconds, you’ll have an accurate reading of you SpO2 levels and pulse rate. Accomodates wide range of finger sizes. Works for ages 12 and above. Reasons for inaccurate reading: When your blood perfusion level is low, the spo2 pulse oximeter might have a hard time registering an accurate reading; We suggest that you warm your hands and fingers before taking the measurements (You can do this simply by rubbing your hands together); Following that, please also ensure that you keep your hand still because any movement can cause the device to reset its reading; Nail polish and false fingernails may also cause false readings. See included instructions for more details.