* Accurately measures oxygen saturation of arterial hemoglobin and pulse rate * Display features Blood-Oxygen Saturation (SpO2), Pulse Rate and Pulse Bar Rotating full color OLED display with adjustable screen brightness * PC Link connection for real-time monitoring and data storage and review * Alarm mode sounds alert when digit is out of device or if levels fall below/rise above a user determined setting * Rechargeable lithium battery, low battery indicator with automatic shut-off * Suitable for wide range of finger sizes; small to large * Lanyard with quick-release clasp * No prescription required * Latex-free