Veridian Healthcare 11-50DP Premium Pulse Oximeter - Accurately measures oxygen saturation of arterial hemoglobin and pulse rate. Wide range of finger sizes from pediatric to adult. Dual color OLED display with adjustable screen brightness. Display Blood-Oxygen Saturation (SpO2), Pulse Rate and Pulse Bar. No prescription required. PC Link connection for real-time monitoring and data storage and review. Alarm mode alerts when digit is out of device or if levels fall below or rise above a user determined setting. Recording mode allows for one record up to 24 hours. Six display modes with adjustable brightness. Low battery indicator. Automatic shut-off. Complies with IEC60601-1-2 for electromagnetic compatibility Class B. Environmentally friendly 100% recyclable packaging. Complete Monitoring System Includes: Pulse oximeter, USB cable, software disc, canvas storage pouch, nylon lanyard, two AAA batteries and detailed English/Spanish instructions. Dedicated Customer Care Help Line for end-user product inquiries