A pulse oximeter is a very important and common device to check oxygen saturation (SpO₂) and pulse rate. As a small, compact, simple, reliable and durable physiological monitoring device the fingertip pulse oximeter measures your oxygen level and pulse rate for your daily needs.
Features:
EZ – Read – view from 7 different ways
Adjustable brightness
Displays pulse rate, SpO₂ and waveform
Strong slip resistant clip 
Includes:
Crrying case
Lanyard
x 2 AAA Batteries
Instructions