The Riester Ri-Fox N Finger Pulse Oximeter is a small, mobile device with an integrated sensor designed for quick and simple measurement by attaching to the finger. Featuring bright LED illumination, this pulse oximeter ensures good visibility and includes a visual pulse indicator. The LED display shows % SpO2, perfusion, and pulse, along with battery status indication. Additionally, the N Finger oximeter operates continuously for approximately 30 hours on standard AAA batteries, which are easy to change. Furthermore, it also includes an automatic switch-off feature after 8 seconds of inactivity, enhancing battery life and efficiency.