Product DescriptionThe Roscoe OTC fingertip pulse oximeter allows you to monitor and maintain pulse and oxygen saturation levels on-the-go. Accurate and fast oxygen level and heart rate measuring technology is ideal for sports enthusiasts during strenuous activities or Mountain climbing. Recommended for spot-check monitoring only. No prescription required.Monitor and Maintain Pulse Rate and Oxygen Saturation Levels : • Easy to Opearte• High Accuracy • Batteries and Lanyard Included• Perfect for Sports Enthusiasts.• Auto-off Function