The Rossmax SB100 Fingertip Pulse Oximeter is a compact medical device that measures blood oxygen saturation (SpO2) and pulse rate. It features a large LED display with clear red digits, auto power-off function, and simple one-button operation for easy monitoring of vital signs. Key features: • Large LED display with bright red digits • Measures SpO2 and pulse rate (BPM) • One-button operation • Auto power off function • Battery level indicator • Compact and portable design • Easy to use fingertip application This fingertip pulse oximeter is designed for spot-checking of blood oxygen levels and heart rate. The device provides quick and accurate readings through non-invasive measurement. The bright LED display ensures clear visibility of measurements even in low light conditions. It's suitable for home use, sports activities, and general health monitoring. The compact size makes it convenient to carry and use anywhere.