Riester Ri-Fox Professional Finger Pulse OximeterFast and precise measurement of pulse and oxygen content of blood (%SpO2) with familiar Riester quality in just seconds. The measurements are easy to read on the green LED display. A visual signal makes it easier to recognize signal strength and arrhythmias. Suitable for hospitals, doctors practices and use at home. [[bottom_description]] Features: Small, mobile device with integrated sensor Simple and fast measurement by attaching to the finger