Contec CMS50D Pulse Oximeter is used for measuring the pulse oxygen saturation and pulse rate through the finger.
It also display pulse intensity as bar graph and pulse wave form.
Features a bright OLED screen with changeable display mode and adjustable screen brightness.
Automatic power off function.
Light, convenient to carry with included lanyard and carry case
Includes two AAA batteries and delivers aproximate 32 continuous hours of operation.