Braun Pulse Oximeter 1 – Adults 18+ can take control of their respiratory health and track their oxygen levels anytime, anywhere. Best for those with COPD, pneumonia, sleep apnea, or athletes wanting to monitor their progress. Our Braun Pulse Oximeter 1 features a simple finger clip design and a one-button operation. The OLED back-lit screen rotates six different ways so you can quickly see your results from any angle. Plus, it automatically shuts off after eight seconds to indicate when your finger is in the correct position for the most accurate reading. Includes a lanyard and two AAA batteries. Features Adults 18+ can take control of their respiratory health and track their oxygen levels anytime anywhere Best for those with conditions such as COPD, pneumonia, or sleep apnea, or athletes monitoring performance Comfortable, lightweight finger clip design Simple one button operation Lanyard Automatic shutoff after 8 seconds of inactivity Takes 2 AAA batteries (included) Our OLED back-lit display rotates six different ways allowing you to see your results from any angle