From the manufacturer's website:
Concord Basics Fingertip Pulse Oximeter with Carrying Case, Lanyard and Batteries
The Concord Basics Finger Pulse Oximeter provides everything that you need to keep an eye on your pulse rate and oxygen levels in a convenient, easy-to-use package. This fingertip oxygen monitor is designed with ease of use in mind - featuring a bright and large LED screen along with simple controls, so that you can get accurate readings even in the dark or with poor eyesight. Having the proper oxygen saturation in your blood is imperative, and utilizing this oximeter on a regular basis will ensure that you are alerted if your levels go outside of the desirable range of 95 to 100 percent. Additionally, you will be able to carefully monitor your pulse rate for any unusual fluctuations.
An Oximeter for fast, convenient monitoring of blood oxygen saturation. This portable oximeter includes a comfortable lanyard that allows you to keep it close at all times. There's also a sturdy case that keeps it safe while it's being transported. Its shock resistant rubber cover protects it from damage. Because it comes with a one-year warranty and 100% Money Back Guarantee you can purchase it with confidence.
- Super Easy and Efficient One Button Operation, Auto power-off after 5 Seconds.
- Comes with: Batteries, carrying case, lanyard, shock resistant protective cover, all in a reusable, custom box.
- Fast, accurate measurements of SpO2 and pulse.
- Over 30 hours of continuous use on 2 AAA batteries.
- USA Based Tech Support. 1-Year Warranty.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.