The Prestige Medical 450 Pulse Oximeter provides a light and compact way to measure both the patient's SpO2 percentage and pulse rate through the finger. Extremely easy to operate, the Pulse Oximeter features a multi-color LED display with six different display appearance settings and 10 brightness level settings. A power saving auto shut-off feature preserves battery life which is approximately 30 hours. Comes with a durable gel case for protection. Batteries and lanyard also included.