HoMedics PX-101 Fingertip Pulse Oximeter

Measures Oxygen Saturation (SpO2), Pulse Rate (PR), Perfusion Index (PI) & Pulse bar
Simple to operate and convenient to carry
Dual colour OLED display screen
Easy to read display
Quick, Compact & Portable
Patented directional change display - Display will switch orientation making it easy to read, helps reduce arterial blood constriction improving accuracy
Simple one button measurement
Automatic power-off to save battery life
Intended for use on adults, adolescent and children.
Powered by 2 x AAA batteries (included)