The Beurer PO40 Pulse Oximeter is a medical device designed to measure blood oxygen saturation (SpO2) and pulse rate. It features a clear color display with easy-to-read measurements and is ideal for both home and clinical use in monitoring oxygen levels. Key features: • Color display with clear readings • Measures SpO2 and pulse rate • Compact and portable design • One-button operation • Automatic shut-off function • Battery-powered operation • Includes storage case This pulse oximeter provides non-invasive measurement of arterial oxygen saturation and heart rate through fingertip placement. The device displays readings on a bright color screen that shows both numerical values and pulse wave. Its portable size makes it convenient for use at home, in clinical settings, or while traveling. The PO40 is manufactured by Beurer, a trusted German brand known for medical devices and healthcare products.