The FaceLake FL400 Pink pulse oximeter is a lightweight, portable device used for measuring both heart rate and blood oxygen levels or SPO2. Simply place your finger inside the antimicrobial vinyl sensor and have these vital measurements instantly displayed on a vibrant LED screen. Features a battery-saving automatic power off function and a heart rate bar graph. We stand by our products with excellent customer service and a one-year warranty. NOTE: this product is intended for sports and/or aviation use only and is not a medical device.. From the factory, there is a clear screen protector which can be removed before use
