Cardinal Health Essentials Digital Portable Fingertip Pulse Oximeter

Cardinal health essentials portable fingertip pulse oximeter features a light and compact design, digital oled screed with 10 brightness levels and 6 display modes.Easy to operate.Measures oxygen saturation levels and pulse rate with a simple fingertip design.Auto shut off after 8 seconds if not used.Includes pulse oximeter, lanyard, carrying bag, two "aaa" batteries and instruction manual.Not for continuous monitoring.Fingernail polish or false fingernails may cause inaccurate readings.