Fingertip pulse oximeter indicated for use in measuring and displaying functional oxygen saturation of arterial haemoglobin (% SpO2) and pulse rate in a wide range of environments. Reliable performance that delivers accurate measurements, even for patients with low perfusion or darker skin tones. Nonin PureSat® technology captures SpO2 and pulse rate measurements quickly and accurately. Provides up to 6,000 spot checks or 36 hours of continuous monitoring on 2 AAA batteries.