Use this device to measure multiple parameters including oxygen, blood pressure, temperature and carbon dioxide levels. View results on an easy to read 7" TFT colored display screen. Designed for quick and easy use, this unit is small and lightweight. Use the quality, database management system for regular monitoring as well as quick check-ups. It is powered using a lithium battery that can operate continuously for as long as eight hours. This unit can also operate in conjunction with a wifi connection. Upgrade this system by adding optional features like an SD memory card and full touch screen.