Accurate Home Fingertip Pulse Oximeter, Blood Oxygen, PR, SPO2 monitor+Alarm set Monitoring your own or your family’s health is a good way to stay on top of everyone’s physical well being and a good way to do this is with this simple and easy to use Pulse Oximeter & Heart Rate Monitor! Don’t let the price fool you, this neat little device is suitable for both professional health users as well as home users and will give you a highly accurate reading… it is also a great tool for educators to use in science class, at nursing/med school or even for parents wanting to educate their children!